Load data for .300 H&H Mag. + .308 | 208gr | Berger Long Range Hybrid Target

.300 H&H Mag. cartridge drawing
Berger logo

Load Specifications

Bullet Manufacturer:Berger
Bullet Weight:208 gr
Bullet Diameter:0.308"
Bullet Length:<<locked>>
Case Length (l3):2.85"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:85.9 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:24"
Max. allowed Pressure:62,366 psi
Recommended Twist Rate:1:10.0

Load data in caliber .300 H&H Mag. with .308 | 208gr | Berger Long Range Hybrid Target bullet and 277 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Norma MRP and Accurate High Country.

Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.

Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.

Charge: Powder weight in grains. Start with the minimum load and work up carefully.

FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.

MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.

V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.

z (Powder Burn): Estimated propellant combustion percentage at bullet exit.

A valid access license is required to use the Personalized Load Calculator.

You can find more information in our FAQ: How can I use the Personalized Load Calculator?

Max Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>82%56,318 psi90%2503 fps100%
Accurate 2495<<locked>>82%55,637 psi89%2493 fps100%
Accurate 2495<<locked>>82%56,318 psi90%2503 fps100%
Accurate 2700<<locked>>82%53,780 psi86%2533 fps99.1%
Accurate 2700<<locked>>82%53,287 psi85%2523 fps99%
Accurate 2700<<locked>>82%53,780 psi86%2533 fps99.1%
Accurate 3100ᴾ<<locked>>100%55,187 psi88%2628 fps99.9%
Accurate 3100ᴾ<<locked>>100%54,462 psi87%2615 fps99.9%
Accurate 3100ᴾ<<locked>>100%55,187 psi88%2628 fps99.9%
Accurate 4064<<locked>>82%53,316 psi85%2513 fps100%
Accurate 4064<<locked>>84%56,173 psi90%2549 fps100%
Accurate 4064<<locked>>82%53,316 psi85%2513 fps100%
Accurate 4350<<locked>>90%53,606 psi86%2618 fps100%
Accurate 4350<<locked>>90%53,011 psi85%2605 fps100%
Accurate 4350<<locked>>90%53,606 psi86%2618 fps100%
Accurate High Country<<locked>>98%56,159 psi90%2762 fps98.5%
Accurate High Country<<locked>>98%55,419 psi89%2749 fps98.3%
Accurate High Country<<locked>>98%56,159 psi90%2762 fps98.5%
Accurate MAGPRO<<locked>>98%53,388 psi86%2710 fps96.8%
Accurate MAGPROᴾ<<locked>>100%56,362 psi90%2753 fps97.3%
Accurate MAGPRO<<locked>>98%53,388 psi86%2710 fps96.8%
ADI AR 2208<<locked>>84%53,069 psi85%2543 fps100%
ADI AR 2208<<locked>>86%55,941 psi90%2579 fps100%
ADI AR 2208<<locked>>84%53,069 psi85%2543 fps100%
ADI AR 2209<<locked>>96%54,491 psi87%2661 fps98.8%
ADI AR 2209<<locked>>96%53,795 psi86%2648 fps98.7%
ADI AR 2209<<locked>>96%54,491 psi87%2661 fps98.8%
ADI AR 2213ᴾ<<locked>>100%55,840 psi90%2713 fps98.1%
ADI AR 2213ᴾ<<locked>>100%55,187 psi88%2700 fps97.9%
ADI AR 2213ᴾ<<locked>>100%55,840 psi90%2713 fps98.1%
Alliant Power Pro 2000-MR<<locked>>82%55,869 psi90%2707 fps100%
Alliant Power Pro 2000-MR<<locked>>82%55,274 psi89%2694 fps100%
Alliant Power Pro 2000-MR<<locked>>82%55,869 psi90%2707 fps100%
Alliant Power Pro Varmint<<locked>>96%54,070 psi87%2648 fps98.7%
Alliant Power Pro Varmint<<locked>>96%54,737 psi88%2661 fps98.8%
Alliant Power Pro Varmint<<locked>>96%54,070 psi87%2648 fps98.7%
Alliant Power Pro Varmint<<locked>>96%54,737 psi88%2661 fps98.8%
Alliant Reloder- TS 15.5<<locked>>84%53,824 psi86%2562 fps100%
Alliant Reloder- TS 15.5<<locked>>84%53,519 psi86%2556 fps100%
Alliant Reloder- TS 15.5<<locked>>84%53,824 psi86%2562 fps100%
Alliant Reloder-15<<locked>>82%54,056 psi87%2585 fps100%
Alliant Reloder-15<<locked>>82%53,722 psi86%2575 fps100%
Alliant Reloder-15<<locked>>82%54,056 psi87%2585 fps100%
Alliant Reloder-16<<locked>>92%54,520 psi87%2671 fps100%
Alliant Reloder-16<<locked>>92%53,969 psi87%2657 fps100%
Alliant Reloder-16<<locked>>92%54,520 psi87%2671 fps100%
Alliant Reloder-17<<locked>>88%55,564 psi89%2687 fps100%
Alliant Reloder-17<<locked>>88%54,955 psi88%2677 fps100%
Alliant Reloder-17<<locked>>88%55,564 psi89%2687 fps100%
Alliant Reloder-19<<locked>>96%53,998 psi87%2654 fps98.8%
Alliant Reloder-19<<locked>>96%53,330 psi86%2641 fps98.7%
Alliant Reloder-19<<locked>>96%53,998 psi87%2654 fps98.8%
Alliant Reloder-22ᴾ<<locked>>100%54,781 psi88%2710 fps99%
Alliant Reloder-22ᴾ<<locked>>100%54,099 psi87%2697 fps98.9%
Alliant Reloder-22ᴾ<<locked>>100%54,781 psi88%2710 fps99%
Alliant Reloder-23ᴾ<<locked>>100%51,648 psi83%2638 fps100%
Alliant Reloder-23ᴾ<<locked>>100%51,184 psi82%2628 fps100%
Alliant Reloder-23ᴾ<<locked>>100%51,648 psi83%2638 fps100%
Alliant Reloder-25ᴾ<<locked>>100%44,947 psi72%2582 fps99.7%
Alliant Reloder-25ᴾ<<locked>>100%44,382 psi71%2569 fps99.7%
Alliant Reloder-25ᴾ<<locked>>100%44,947 psi72%2582 fps99.7%
Alliant Reloder-26<<locked>>98%55,303 psi89%2772 fps100%
Alliant Reloder-26<<locked>>98%54,578 psi88%2759 fps100%
Alliant Reloder-26<<locked>>98%55,303 psi89%2772 fps100%
Bofors RP15ᴾ<<locked>>100%50,256 psi81%2641 fps98.3%
Bofors RP15ᴾ<<locked>>100%49,632 psi80%2628 fps98.1%
Bofors RP15ᴾ<<locked>>100%50,256 psi81%2641 fps98.3%
Bofors RP3<<locked>>84%54,650 psi88%2579 fps100%
Bofors RP3<<locked>>84%54,041 psi87%2569 fps100%
Bofors RP3<<locked>>84%54,650 psi88%2579 fps100%
Bofors RP5ᴾ<<locked>>100%54,781 psi88%2710 fps99%
Bofors RP5ᴾ<<locked>>100%54,099 psi87%2697 fps98.9%
Bofors RP5ᴾ<<locked>>100%54,781 psi88%2710 fps99%
Bofors RP7<<locked>>88%54,114 psi87%2572 fps99.3%
Bofors RP7<<locked>>88%53,621 psi86%2562 fps99.2%
Bofors RP7<<locked>>88%54,114 psi87%2572 fps99.3%
Hodgdon H1000ᴾ<<locked>>100%44,657 psi72%2523 fps96.3%
Hodgdon H1000ᴾ<<locked>>100%44,164 psi71%2510 fps96.1%
Hodgdon H1000ᴾ<<locked>>100%44,657 psi72%2523 fps96.3%
Hodgdon H380<<locked>>84%54,955 psi88%2598 fps100%
Hodgdon H380<<locked>>84%54,418 psi87%2585 fps100%
Hodgdon H380<<locked>>84%54,955 psi88%2598 fps100%
Hodgdon H414<<locked>>90%55,840 psi90%2671 fps99.8%
Hodgdon H414<<locked>>90%55,100 psi88%2654 fps99.7%
Hodgdon H414<<locked>>90%55,840 psi90%2671 fps99.8%
Hodgdon H4350<<locked>>88%55,637 psi89%2631 fps99.1%
Hodgdon H4350<<locked>>88%54,882 psi88%2615 fps99%
Hodgdon H4350<<locked>>88%55,637 psi89%2631 fps99.1%
Hodgdon H4831<<locked>>98%55,985 psi90%2661 fps97.5%
Hodgdon H4831<<locked>>98%55,332 psi89%2648 fps97.3%
Hodgdon H4831<<locked>>98%55,985 psi90%2661 fps97.5%
Hodgdon H4831 SC<<locked>>98%54,882 psi88%2644 fps97.3%
Hodgdon H4831 SC<<locked>>98%54,230 psi87%2631 fps97.1%
Hodgdon H4831 SC<<locked>>98%54,882 psi88%2644 fps97.3%
Hodgdon Hybrid 100V<<locked>>94%54,897 psi88%2598 fps100%
Hodgdon Hybrid 100V<<locked>>94%54,099 psi87%2585 fps100%
Hodgdon Hybrid 100V<<locked>>94%54,897 psi88%2598 fps100%
Hodgdon LEVERevolution<<locked>>82%56,275 psi90%2625 fps100%
Hodgdon LEVERevolution<<locked>>82%55,695 psi89%2615 fps100%
Hodgdon LEVERevolution<<locked>>82%56,275 psi90%2625 fps100%
Hodgdon Retumboᴾ<<locked>>100%43,990 psi71%2615 fps97.8%
Hodgdon Retumboᴾ<<locked>>100%43,453 psi70%2598 fps97.5%
Hodgdon Retumboᴾ<<locked>>100%43,990 psi71%2615 fps97.8%
Hodgdon Superformance<<locked>>90%55,854 psi90%2707 fps99.7%
Hodgdon Superformance<<locked>>90%55,129 psi88%2694 fps99.6%
Hodgdon Superformance<<locked>>90%55,854 psi90%2707 fps99.7%
Hodgdon TrailBossᴾ<<locked>>100%36,666 psi59%1591 fps100%
Hodgdon TrailBossᴾ<<locked>>100%36,477 psi58%1585 fps100%
Hodgdon TrailBossᴾ<<locked>>100%36,666 psi59%1591 fps100%
IMR 4064<<locked>>84%55,927 psi90%2572 fps100%
IMR 4064<<locked>>84%55,608 psi89%2562 fps100%
IMR 4064<<locked>>84%55,927 psi90%2572 fps100%
IMR 4166 Enduron<<locked>>82%55,129 psi88%2562 fps99.6%
IMR 4166 Enduron<<locked>>82%54,592 psi88%2549 fps99.6%
IMR 4166 Enduron<<locked>>82%55,129 psi88%2562 fps99.6%
IMR 4350<<locked>>92%54,911 psi88%2605 fps99.4%
IMR 4350<<locked>>92%54,476 psi87%2595 fps99.3%
IMR 4350<<locked>>92%54,911 psi88%2605 fps99.4%
IMR 4451 Enduron<<locked>>88%55,796 psi89%2598 fps99.7%
IMR 4451 Enduron<<locked>>88%55,042 psi88%2582 fps99.6%
IMR 4451 Enduron<<locked>>88%55,796 psi89%2598 fps99.7%
IMR 4831<<locked>>92%54,244 psi87%2615 fps100%
IMR 4831<<locked>>92%53,476 psi86%2598 fps100%
IMR 4831<<locked>>92%54,244 psi87%2615 fps100%
IMR 4895<<locked>>82%55,463 psi89%2608 fps100%
IMR 4895<<locked>>82%55,129 psi88%2598 fps100%
IMR 4895<<locked>>82%55,463 psi89%2608 fps100%
IMR 4955 Enduron<<locked>>96%53,969 psi87%2595 fps97.3%
IMR 4955 Enduron<<locked>>96%53,359 psi86%2582 fps97.1%
IMR 4955 Enduron<<locked>>96%53,969 psi87%2595 fps97.3%
IMR 7828 SSCᴾ<<locked>>100%53,040 psi85%2684 fps97.7%
IMR 7828 SSCᴾ<<locked>>100%52,417 psi84%2671 fps97.5%
IMR 7828 SSCᴾ<<locked>>100%53,040 psi85%2684 fps97.7%
Lovex S062<<locked>>84%56,115 psi90%2562 fps100%
Lovex S062<<locked>>84%55,796 psi89%2556 fps100%
Lovex S062<<locked>>84%56,115 psi90%2562 fps100%
Lovex S065<<locked>>90%55,869 psi90%2595 fps100%
Lovex S065<<locked>>90%55,390 psi89%2582 fps100%
Lovex S065<<locked>>90%55,869 psi90%2595 fps100%
Lovex S070<<locked>>90%53,708 psi86%2585 fps99.6%
Lovex S070<<locked>>90%53,185 psi85%2575 fps99.6%
Lovex S070<<locked>>90%53,708 psi86%2585 fps99.6%
Lovex S071ᴾ<<locked>>100%45,832 psi73%2493 fps99.3%
Lovex S071ᴾ<<locked>>100%45,382 psi73%2484 fps99.2%
Lovex S071ᴾ<<locked>>100%45,832 psi73%2493 fps99.3%
Norma 203B<<locked>>82%53,345 psi86%2569 fps100%
Norma 203B<<locked>>84%56,202 psi90%2605 fps100%
Norma 203B<<locked>>82%53,345 psi86%2569 fps100%
Norma 204<<locked>>92%55,695 psi89%2657 fps98.8%
Norma 204<<locked>>92%54,969 psi88%2641 fps98.7%
Norma 204<<locked>>92%55,695 psi89%2657 fps98.8%
Norma MRP<<locked>>98%54,186 psi87%2730 fps99.7%
Norma MRP<<locked>>98%53,490 psi86%2717 fps99.6%
Norma MRP<<locked>>98%54,186 psi87%2730 fps99.7%
Norma URP<<locked>>92%55,970 psi90%2651 fps100%
Norma URP<<locked>>92%55,419 psi89%2641 fps100%
Norma URP<<locked>>92%55,970 psi90%2651 fps100%
Ramshot Big Game<<locked>>82%53,969 psi87%2595 fps100%
Ramshot Big Game<<locked>>82%53,432 psi86%2585 fps100%
Ramshot Big Game<<locked>>82%53,969 psi87%2595 fps100%
Ramshot Grandᴾ<<locked>>100%53,432 psi86%2703 fps98.1%
Ramshot Grandᴾ<<locked>>100%52,808 psi85%2687 fps97.9%
Ramshot Grandᴾ<<locked>>100%53,432 psi86%2703 fps98.1%
Ramshot Hunter<<locked>>92%54,636 psi88%2657 fps99.9%
Ramshot Hunter<<locked>>92%53,940 psi86%2644 fps99.9%
Ramshot Hunter<<locked>>92%54,636 psi88%2657 fps99.9%
Ramshot Magnumᴾ<<locked>>100%47,790 psi77%2592 fps98.5%
Ramshot Magnumᴾ<<locked>>100%46,963 psi75%2572 fps98.3%
Ramshot Magnumᴾ<<locked>>100%47,790 psi77%2592 fps98.5%
ReloadSwiss RS 14ᴾ<<locked>>100%37,318 psi60%1631 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%37,130 psi60%1624 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%37,318 psi60%1631 fps100%
ReloadSwiss RS 50<<locked>>84%54,781 psi88%2585 fps99.8%
ReloadSwiss RS 50<<locked>>84%54,302 psi87%2572 fps99.8%
ReloadSwiss RS 50<<locked>>84%54,781 psi88%2585 fps99.8%
ReloadSwiss RS 60<<locked>>86%55,230 psi89%2680 fps100%
ReloadSwiss RS 60<<locked>>86%54,346 psi87%2664 fps100%
ReloadSwiss RS 60<<locked>>86%55,230 psi89%2680 fps100%
ReloadSwiss RS 62<<locked>>90%53,577 psi86%2644 fps100%
ReloadSwiss RS 62<<locked>>92%56,362 psi90%2677 fps100%
ReloadSwiss RS 62<<locked>>90%53,577 psi86%2644 fps100%
ReloadSwiss RS 70<<locked>>92%55,695 psi89%2720 fps100%
ReloadSwiss RS 70<<locked>>92%54,955 psi88%2707 fps100%
ReloadSwiss RS 70<<locked>>92%55,695 psi89%2720 fps100%
ReloadSwiss RS 76ᴾ<<locked>>100%43,816 psi70%2608 fps98.7%
ReloadSwiss RS 76ᴾ<<locked>>100%43,323 psi69%2595 fps98.5%
ReloadSwiss RS 76ᴾ<<locked>>100%43,816 psi70%2608 fps98.7%
Rottweil R 902<<locked>>82%54,766 psi88%2530 fps100%
Rottweil R 902<<locked>>82%54,404 psi87%2523 fps100%
Rottweil R 902<<locked>>82%54,766 psi88%2530 fps100%
Rottweil R 903<<locked>>86%54,752 psi88%2575 fps100%
Rottweil R 903<<locked>>86%54,186 psi87%2566 fps100%
Rottweil R 903<<locked>>86%54,752 psi88%2575 fps100%
Rottweil R 904<<locked>>96%56,318 psi90%2635 fps98.2%
Rottweil R 904<<locked>>96%55,651 psi89%2621 fps98%
Rottweil R 904<<locked>>96%56,318 psi90%2635 fps98.2%
Rottweil R 905<<locked>>96%53,229 psi85%2641 fps98.8%
Rottweil R 905<<locked>>98%56,101 psi90%2677 fps99.1%
Rottweil R 905<<locked>>96%53,229 psi85%2641 fps98.8%
Rottweil R 907<<locked>>88%54,114 psi87%2572 fps99.3%
Rottweil R 907<<locked>>88%53,621 psi86%2562 fps99.2%
Rottweil R 907<<locked>>88%54,114 psi87%2572 fps99.3%
Shooters World Long Rifle<<locked>>90%55,869 psi90%2595 fps100%
Shooters World Long Rifle<<locked>>90%55,390 psi89%2582 fps100%
Shooters World Long Rifle<<locked>>90%55,869 psi90%2595 fps100%
Shooters World Precision<<locked>>84%56,115 psi90%2562 fps100%
Shooters World Precision<<locked>>84%55,796 psi89%2556 fps100%
Shooters World Precision<<locked>>84%56,115 psi90%2562 fps100%
Shooters World SW4350<<locked>>90%53,708 psi86%2585 fps99.6%
Shooters World SW4350<<locked>>90%53,185 psi85%2575 fps99.6%
Shooters World SW4350<<locked>>90%53,708 psi86%2585 fps99.6%
SNPE Vectan SP 11<<locked>>86%56,405 psi90%2635 fps100%
SNPE Vectan SP 11<<locked>>86%55,608 psi89%2621 fps100%
SNPE Vectan SP 11<<locked>>86%56,405 psi90%2635 fps100%
SNPE Vectan Tubal 5000<<locked>>86%55,738 psi89%2467 fps100%
SNPE Vectan Tubal 5000<<locked>>86%55,187 psi88%2457 fps100%
SNPE Vectan Tubal 5000<<locked>>86%55,738 psi89%2467 fps100%
SNPE Vectan Tubal 7000<<locked>>90%55,419 psi89%2552 fps99.7%
SNPE Vectan Tubal 7000<<locked>>90%54,708 psi88%2539 fps99.6%
SNPE Vectan Tubal 7000<<locked>>90%55,419 psi89%2552 fps99.7%
SNPE Vectan Tubal 8000<<locked>>98%56,376 psi90%2687 fps99.2%
SNPE Vectan Tubal 8000<<locked>>98%55,608 psi89%2674 fps99%
SNPE Vectan Tubal 8000<<locked>>98%56,376 psi90%2687 fps99.2%
Somchem S355<<locked>>86%54,723 psi88%2572 fps100%
Somchem S355<<locked>>86%54,143 psi87%2562 fps100%
Somchem S355<<locked>>86%54,723 psi88%2572 fps100%
Somchem S361<<locked>>94%54,186 psi87%2579 fps97.1%
Somchem S361<<locked>>94%53,606 psi86%2566 fps96.9%
Somchem S361<<locked>>94%54,186 psi87%2579 fps97.1%
Somchem S365<<locked>>94%55,288 psi89%2651 fps100%
Somchem S365<<locked>>94%54,752 psi88%2641 fps100%
Somchem S365<<locked>>94%55,288 psi89%2651 fps100%
Somchem S385<<locked>>96%53,708 psi86%2615 fps99.3%
Somchem S385<<locked>>96%53,258 psi85%2605 fps99.2%
Somchem S385<<locked>>96%53,708 psi86%2615 fps99.3%
Vihtavuori N135<<locked>>82%55,158 psi88%2487 fps100%
Vihtavuori N135<<locked>>82%54,752 psi88%2480 fps100%
Vihtavuori N135<<locked>>82%55,158 psi88%2487 fps100%
Vihtavuori N140<<locked>>82%55,448 psi89%2507 fps100%
Vihtavuori N140<<locked>>82%54,882 psi88%2497 fps100%
Vihtavuori N140<<locked>>82%55,448 psi89%2507 fps100%
Vihtavuori N150<<locked>>88%55,941 psi90%2546 fps100%
Vihtavuori N150<<locked>>88%55,419 psi89%2539 fps100%
Vihtavuori N150<<locked>>88%55,941 psi90%2546 fps100%
Vihtavuori N160<<locked>>90%54,375 psi87%2598 fps100%
Vihtavuori N160<<locked>>90%53,867 psi86%2585 fps100%
Vihtavuori N160<<locked>>90%54,375 psi87%2598 fps100%
Vihtavuori N165ᴾ<<locked>>100%53,098 psi85%2595 fps99%
Vihtavuori N165ᴾ<<locked>>100%52,446 psi84%2582 fps98.9%
Vihtavuori N165ᴾ<<locked>>100%53,098 psi85%2595 fps99%
Vihtavuori N540<<locked>>82%53,476 psi86%2507 fps100%
Vihtavuori N540<<locked>>84%56,318 psi90%2536 fps100%
Vihtavuori N540<<locked>>82%53,476 psi86%2507 fps100%
Vihtavuori N550<<locked>>90%53,534 psi86%2605 fps100%
Vihtavuori N550<<locked>>90%53,069 psi85%2595 fps100%
Vihtavuori N550<<locked>>90%53,534 psi86%2605 fps100%
Vihtavuori N555<<locked>>98%54,302 psi87%2664 fps100%
Vihtavuori N555<<locked>>98%53,534 psi86%2651 fps100%
Vihtavuori N555<<locked>>98%54,302 psi87%2664 fps100%
Vihtavuori N560<<locked>>98%54,462 psi87%2723 fps97.6%
Vihtavuori N560<<locked>>98%53,824 psi86%2710 fps97.4%
Vihtavuori N560<<locked>>98%54,462 psi87%2723 fps97.6%
Vihtavuori N565ᴾ<<locked>>100%46,470 psi75%2585 fps96.1%
Vihtavuori N565ᴾ<<locked>>100%45,832 psi73%2572 fps95.9%
Vihtavuori N565ᴾ<<locked>>100%46,470 psi75%2585 fps96.1%
Winchester 6.5 StaBALL<<locked>>90%53,853 psi86%2569 fps100%
Winchester 6.5 StaBALL<<locked>>90%53,185 psi85%2556 fps100%
Winchester 6.5 StaBALL<<locked>>90%53,853 psi86%2569 fps100%
Winchester 760<<locked>>90%55,840 psi90%2671 fps99.8%
Winchester 760<<locked>>90%55,361 psi89%2657 fps99.7%
Winchester 760<<locked>>90%55,840 psi90%2671 fps99.8%
Winchester StaBALL HDᴾ<<locked>>100%46,789 psi75%2703 fps100%
Winchester StaBALL HDᴾ<<locked>>100%46,180 psi74%2690 fps100%
Winchester StaBALL HDᴾ<<locked>>100%46,789 psi75%2703 fps100%
Winchester Supreme 780<<locked>>98%53,679 psi86%2612 fps98.6%
Winchester Supreme 780<<locked>>98%53,026 psi85%2598 fps98.5%
Winchester Supreme 780<<locked>>98%53,679 psi86%2612 fps98.6%

Recommended = one of the top powders for this cartridge and bullet combination.

Start Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>80%52,794 psi85%2461 fps100%
Accurate 2495<<locked>>80%52,098 psi84%2451 fps100%
Accurate 2495<<locked>>80%52,794 psi85%2461 fps100%
Accurate 2700<<locked>>80%50,270 psi81%2480 fps98.7%
Accurate 2700<<locked>>80%49,777 psi80%2467 fps98.6%
Accurate 2700<<locked>>80%50,270 psi81%2480 fps98.7%
Accurate 3100<<locked>>82%30,052 psi48%2178 fps95.1%
Accurate 3100<<locked>>84%31,676 psi51%2215 fps95.7%
Accurate 3100<<locked>>82%30,052 psi48%2178 fps95.1%
Accurate 4064<<locked>>80%50,067 psi80%2470 fps100%
Accurate 4064<<locked>>80%49,414 psi79%2461 fps100%
Accurate 4064<<locked>>80%50,067 psi80%2470 fps100%
Accurate 4350<<locked>>80%38,218 psi61%2365 fps99.1%
Accurate 4350<<locked>>80%37,869 psi61%2356 fps99%
Accurate 4350<<locked>>80%38,218 psi61%2365 fps99.1%
Accurate High Country61.2 gr90%42,685 psi68%2539 fps95.5%
Accurate High Country61.2 gr90%41,974 psi67%2523 fps95.3%
Accurate High Country61.2 gr90%42,685 psi68%2539 fps95.5%
Accurate MAGPRO<<locked>>94%46,296 psi74%2592 fps95%
Accurate MAGPRO<<locked>>96%49,066 psi79%2638 fps95.7%
Accurate MAGPRO<<locked>>94%46,296 psi74%2592 fps95%
ADI AR 2208<<locked>>80%47,065 psi75%2454 fps100%
ADI AR 2208<<locked>>80%46,731 psi75%2444 fps100%
ADI AR 2208<<locked>>80%47,065 psi75%2454 fps100%
ADI AR 2209<<locked>>86%39,436 psi63%2398 fps95.4%
ADI AR 2209<<locked>>86%39,015 psi63%2385 fps95.2%
ADI AR 2209<<locked>>86%39,436 psi63%2398 fps95.4%
ADI AR 2213<<locked>>94%45,672 psi73%2546 fps95.8%
ADI AR 2213<<locked>>94%45,295 psi73%2536 fps95.6%
ADI AR 2213<<locked>>94%45,672 psi73%2546 fps95.8%
Alliant Power Pro 2000-MR<<locked>>80%52,083 psi84%2651 fps100%
Alliant Power Pro 2000-MR<<locked>>80%51,474 psi83%2641 fps100%
Alliant Power Pro 2000-MR<<locked>>80%52,083 psi84%2651 fps100%
Alliant Power Pro Varmint<<locked>>86%39,117 psi63%2388 fps95.3%
Alliant Power Pro Varmint<<locked>>86%39,552 psi63%2402 fps95.6%
Alliant Power Pro Varmint<<locked>>86%39,117 psi63%2388 fps95.3%
Alliant Power Pro Varmint<<locked>>86%39,552 psi63%2402 fps95.6%
Alliant Reloder- TS 15.5<<locked>>80%47,688 psi76%2477 fps100%
Alliant Reloder- TS 15.5<<locked>>80%47,108 psi76%2464 fps100%
Alliant Reloder- TS 15.5<<locked>>80%47,688 psi76%2477 fps100%
Alliant Reloder-15<<locked>>80%50,749 psi81%2536 fps100%
Alliant Reloder-15<<locked>>80%50,401 psi81%2530 fps100%
Alliant Reloder-15<<locked>>80%50,749 psi81%2536 fps100%
Alliant Reloder-16<<locked>>80%37,260 psi60%2375 fps99.3%
Alliant Reloder-16<<locked>>80%36,767 psi59%2362 fps99.1%
Alliant Reloder-16<<locked>>80%37,260 psi60%2375 fps99.3%
Alliant Reloder-17<<locked>>80%42,177 psi68%2487 fps100%
Alliant Reloder-17<<locked>>80%41,684 psi67%2477 fps100%
Alliant Reloder-17<<locked>>80%42,177 psi68%2487 fps100%
Alliant Reloder-19<<locked>>86%39,146 psi63%2395 fps95.5%
Alliant Reloder-19<<locked>>86%38,711 psi62%2382 fps95.2%
Alliant Reloder-19<<locked>>86%39,146 psi63%2395 fps95.5%
Alliant Reloder-22<<locked>>90%39,363 psi63%2444 fps95.7%
Alliant Reloder-22<<locked>>90%38,754 psi62%2428 fps95.4%
Alliant Reloder-22<<locked>>90%39,363 psi63%2444 fps95.7%
Alliant Reloder-23<<locked>>80%27,354 psi44%2159 fps97.6%
Alliant Reloder-23<<locked>>80%26,963 psi43%2146 fps97.4%
Alliant Reloder-23<<locked>>80%27,354 psi44%2159 fps97.6%
Alliant Reloder-25<<locked>>88%30,850 psi49%2267 fps95.9%
Alliant Reloder-25<<locked>>88%30,501 psi49%2254 fps95.6%
Alliant Reloder-25<<locked>>88%30,850 psi49%2267 fps95.9%
Alliant Reloder-2656 gr80%29,037 psi47%2257 fps96%
Alliant Reloder-2656 gr80%28,660 psi46%2244 fps95.7%
Alliant Reloder-2656 gr80%29,037 psi47%2257 fps96%
Bofors RP15<<locked>>92%38,841 psi62%2431 fps95.4%
Bofors RP15<<locked>>92%38,421 psi62%2421 fps95.1%
Bofors RP15<<locked>>92%38,841 psi62%2431 fps95.4%
Bofors RP3<<locked>>80%48,022 psi77%2487 fps100%
Bofors RP3<<locked>>80%47,427 psi76%2474 fps100%
Bofors RP3<<locked>>80%48,022 psi77%2487 fps100%
Bofors RP5<<locked>>90%39,363 psi63%2444 fps95.7%
Bofors RP5<<locked>>90%38,754 psi62%2428 fps95.4%
Bofors RP5<<locked>>90%39,363 psi63%2444 fps95.7%
Bofors RP7<<locked>>80%42,293 psi68%2379 fps97.4%
Bofors RP7<<locked>>80%41,756 psi67%2365 fps97.2%
Bofors RP7<<locked>>80%42,293 psi68%2379 fps97.4%
Hodgdon H1000<<locked>>98%41,843 psi67%2467 fps95.4%
Hodgdon H1000<<locked>>98%41,321 psi66%2454 fps95.1%
Hodgdon H1000<<locked>>98%41,843 psi67%2467 fps95.4%
Hodgdon H380<<locked>>80%48,385 psi78%2500 fps99.9%
Hodgdon H380<<locked>>80%47,834 psi77%2487 fps99.9%
Hodgdon H380<<locked>>80%48,385 psi78%2500 fps99.9%
Hodgdon H414<<locked>>80%40,176 psi64%2408 fps97.5%
Hodgdon H414<<locked>>80%39,697 psi64%2398 fps97.3%
Hodgdon H414<<locked>>80%40,176 psi64%2408 fps97.5%
Hodgdon H4350<<locked>>80%43,091 psi69%2428 fps97%
Hodgdon H4350<<locked>>80%42,583 psi68%2415 fps96.8%
Hodgdon H4350<<locked>>80%43,091 psi69%2428 fps97%
Hodgdon H4831<<locked>>92%45,788 psi73%2500 fps95.2%
Hodgdon H4831<<locked>>94%48,254 psi77%2536 fps95.8%
Hodgdon H4831<<locked>>92%45,788 psi73%2500 fps95.2%
Hodgdon H4831 SC<<locked>>94%47,892 psi77%2536 fps95.8%
Hodgdon H4831 SC<<locked>>94%47,485 psi76%2523 fps95.5%
Hodgdon H4831 SC<<locked>>94%47,892 psi77%2536 fps95.8%
Hodgdon Hybrid 100V<<locked>>80%34,751 psi56%2277 fps99.6%
Hodgdon Hybrid 100V<<locked>>80%34,389 psi55%2267 fps99.5%
Hodgdon Hybrid 100V<<locked>>80%34,751 psi56%2277 fps99.6%
Hodgdon LEVERevolution<<locked>>80%52,852 psi85%2582 fps100%
Hodgdon LEVERevolution<<locked>>80%52,243 psi84%2569 fps100%
Hodgdon LEVERevolution<<locked>>80%52,852 psi85%2582 fps100%
Hodgdon Retumbo<<locked>>96%38,783 psi62%2500 fps96%
Hodgdon Retumbo<<locked>>96%38,247 psi61%2484 fps95.6%
Hodgdon Retumbo<<locked>>96%38,783 psi62%2500 fps96%
Hodgdon Superformance<<locked>>80%39,001 psi63%2421 fps96.8%
Hodgdon Superformance<<locked>>80%38,566 psi62%2408 fps96.6%
Hodgdon Superformance<<locked>>80%39,001 psi63%2421 fps96.8%
Hodgdon TrailBoss<<locked>>80%27,412 psi44%1421 fps100%
Hodgdon TrailBoss<<locked>>80%27,369 psi44%1417 fps100%
Hodgdon TrailBoss<<locked>>80%27,412 psi44%1421 fps100%
IMR 4064<<locked>>80%49,530 psi79%2484 fps100%
IMR 4064<<locked>>80%49,153 psi79%2474 fps100%
IMR 4064<<locked>>80%49,530 psi79%2484 fps100%
IMR 4166 Enduron<<locked>>80%51,576 psi83%2510 fps99.3%
IMR 4166 Enduron<<locked>>80%51,329 psi82%2500 fps99.3%
IMR 4166 Enduron<<locked>>80%51,576 psi83%2510 fps99.3%
IMR 4350<<locked>>80%37,768 psi61%2310 fps96.2%
IMR 4350<<locked>>80%37,478 psi60%2300 fps96%
IMR 4350<<locked>>80%37,768 psi61%2310 fps96.2%
IMR 4451 Enduron<<locked>>80%43,569 psi70%2402 fps98.1%
IMR 4451 Enduron<<locked>>80%43,294 psi69%2395 fps98%
IMR 4451 Enduron<<locked>>80%43,569 psi70%2402 fps98.1%
IMR 4831<<locked>>80%36,782 psi59%2323 fps98.9%
IMR 4831<<locked>>80%36,274 psi58%2310 fps98.8%
IMR 4831<<locked>>80%36,782 psi59%2323 fps98.9%
IMR 4895<<locked>>80%52,083 psi84%2559 fps100%
IMR 4895<<locked>>80%51,706 psi83%2552 fps100%
IMR 4895<<locked>>80%52,083 psi84%2559 fps100%
IMR 4955 Enduron<<locked>>90%44,802 psi72%2448 fps95.1%
IMR 4955 Enduron<<locked>>92%47,282 psi76%2487 fps95.7%
IMR 4955 Enduron<<locked>>90%44,802 psi72%2448 fps95.1%
IMR 7828 SSC<<locked>>94%43,584 psi70%2523 fps95.3%
IMR 7828 SSC<<locked>>94%43,221 psi69%2510 fps95.1%
IMR 7828 SSC<<locked>>94%43,584 psi70%2523 fps95.3%
Lovex S062<<locked>>80%49,748 psi80%2477 fps100%
Lovex S062<<locked>>80%49,400 psi79%2467 fps100%
Lovex S062<<locked>>80%49,748 psi80%2477 fps100%
Lovex S065<<locked>>80%41,176 psi66%2359 fps98.7%
Lovex S065<<locked>>80%40,640 psi65%2346 fps98.6%
Lovex S065<<locked>>80%41,176 psi66%2359 fps98.7%
Lovex S070<<locked>>80%39,450 psi63%2346 fps97.5%
Lovex S070<<locked>>80%38,972 psi62%2333 fps97.3%
Lovex S070<<locked>>80%39,450 psi63%2346 fps97.5%
Lovex S071<<locked>>88%31,328 psi50%2208 fps95.6%
Lovex S071<<locked>>88%30,850 psi49%2195 fps95.4%
Lovex S071<<locked>>88%31,328 psi50%2208 fps95.6%
Norma 203B<<locked>>80%50,111 psi80%2523 fps100%
Norma 203B<<locked>>80%49,763 psi80%2516 fps100%
Norma 203B<<locked>>80%50,111 psi80%2523 fps100%
Norma 204<<locked>>82%39,871 psi64%2388 fps95.5%
Norma 204<<locked>>82%39,407 psi63%2379 fps95.2%
Norma 204<<locked>>82%39,871 psi64%2388 fps95.5%
Norma MRP57.1 gr84%33,634 psi54%2346 fps95.1%
Norma MRP58.5 gr86%35,476 psi57%2385 fps95.8%
Norma MRP57.1 gr84%33,634 psi54%2346 fps95.1%
Norma URP<<locked>>80%38,087 psi61%2362 fps99%
Norma URP<<locked>>80%37,565 psi60%2349 fps98.9%
Norma URP<<locked>>80%38,087 psi61%2362 fps99%
Ramshot Big Game<<locked>>80%50,430 psi81%2546 fps100%
Ramshot Big Game<<locked>>80%49,879 psi80%2536 fps100%
Ramshot Big Game<<locked>>80%50,430 psi81%2546 fps100%
Ramshot Grand<<locked>>94%43,381 psi70%2530 fps95.6%
Ramshot Grand<<locked>>94%42,801 psi69%2513 fps95.3%
Ramshot Grand<<locked>>94%43,381 psi70%2530 fps95.6%
Ramshot Hunter<<locked>>80%36,724 psi59%2349 fps97.4%
Ramshot Hunter<<locked>>80%36,463 psi58%2339 fps97.2%
Ramshot Hunter<<locked>>80%36,724 psi59%2349 fps97.4%
Ramshot Magnum<<locked>>92%35,911 psi58%2362 fps95.1%
Ramshot Magnum<<locked>>94%38,087 psi61%2405 fps95.9%
Ramshot Magnum<<locked>>92%35,911 psi58%2362 fps95.1%
ReloadSwiss RS 14<<locked>>80%27,876 psi45%1453 fps100%
ReloadSwiss RS 14<<locked>>80%27,818 psi45%1450 fps100%
ReloadSwiss RS 14<<locked>>80%27,876 psi45%1453 fps100%
ReloadSwiss RS 50<<locked>>80%48,196 psi77%2484 fps99.3%
ReloadSwiss RS 50<<locked>>80%47,674 psi76%2474 fps99.2%
ReloadSwiss RS 50<<locked>>80%48,196 psi77%2484 fps99.3%
ReloadSwiss RS 60<<locked>>80%44,846 psi72%2533 fps100%
ReloadSwiss RS 60<<locked>>80%44,266 psi71%2520 fps100%
ReloadSwiss RS 60<<locked>>80%44,846 psi72%2533 fps100%
ReloadSwiss RS 62<<locked>>80%37,942 psi61%2382 fps98.9%
ReloadSwiss RS 62<<locked>>80%37,405 psi60%2372 fps98.7%
ReloadSwiss RS 62<<locked>>80%37,942 psi61%2382 fps98.9%
ReloadSwiss RS 70<<locked>>80%36,724 psi59%2392 fps98.4%
ReloadSwiss RS 70<<locked>>80%36,289 psi58%2379 fps98.2%
ReloadSwiss RS 70<<locked>>80%36,724 psi59%2392 fps98.4%
ReloadSwiss RS 76<<locked>>94%35,607 psi57%2425 fps95.8%
ReloadSwiss RS 76<<locked>>94%35,172 psi56%2408 fps95.4%
ReloadSwiss RS 76<<locked>>94%35,607 psi57%2425 fps95.8%
Rottweil R 902<<locked>>80%51,677 psi83%2487 fps100%
Rottweil R 902<<locked>>80%51,068 psi82%2474 fps100%
Rottweil R 902<<locked>>80%51,677 psi83%2487 fps100%
Rottweil R 903<<locked>>80%45,368 psi73%2441 fps100%
Rottweil R 903<<locked>>80%44,744 psi72%2428 fps100%
Rottweil R 903<<locked>>80%45,368 psi73%2441 fps100%
Rottweil R 904<<locked>>88%43,642 psi70%2431 fps95.5%
Rottweil R 904<<locked>>88%43,178 psi69%2421 fps95.2%
Rottweil R 904<<locked>>88%43,642 psi70%2431 fps95.5%
Rottweil R 905<<locked>>86%38,261 psi61%2379 fps95.4%
Rottweil R 905<<locked>>86%37,782 psi61%2369 fps95.2%
Rottweil R 905<<locked>>86%38,261 psi61%2379 fps95.4%
Rottweil R 907<<locked>>80%42,293 psi68%2379 fps97.4%
Rottweil R 907<<locked>>80%41,756 psi67%2365 fps97.2%
Rottweil R 907<<locked>>80%42,293 psi68%2379 fps97.4%
Shooters World Long Rifle<<locked>>80%41,176 psi66%2359 fps98.7%
Shooters World Long Rifle<<locked>>80%40,640 psi65%2346 fps98.6%
Shooters World Long Rifle<<locked>>80%41,176 psi66%2359 fps98.7%
Shooters World Precision<<locked>>80%49,748 psi80%2477 fps100%
Shooters World Precision<<locked>>80%49,400 psi79%2467 fps100%
Shooters World Precision<<locked>>80%49,748 psi80%2477 fps100%
Shooters World SW4350<<locked>>80%39,450 psi63%2346 fps97.5%
Shooters World SW4350<<locked>>80%38,972 psi62%2333 fps97.3%
Shooters World SW4350<<locked>>80%39,450 psi63%2346 fps97.5%
SNPE Vectan SP 11<<locked>>80%46,267 psi74%2487 fps100%
SNPE Vectan SP 11<<locked>>80%45,905 psi74%2480 fps100%
SNPE Vectan SP 11<<locked>>80%46,267 psi74%2487 fps100%
SNPE Vectan Tubal 5000<<locked>>80%46,427 psi74%2346 fps100%
SNPE Vectan Tubal 5000<<locked>>80%46,093 psi74%2336 fps100%
SNPE Vectan Tubal 5000<<locked>>80%46,427 psi74%2346 fps100%
SNPE Vectan Tubal 7000<<locked>>80%40,161 psi64%2306 fps97.5%
SNPE Vectan Tubal 7000<<locked>>80%39,900 psi64%2300 fps97.3%
SNPE Vectan Tubal 7000<<locked>>80%40,161 psi64%2306 fps97.5%
SNPE Vectan Tubal 8000<<locked>>86%37,898 psi61%2375 fps95.3%
SNPE Vectan Tubal 8000<<locked>>86%37,420 psi60%2362 fps95%
SNPE Vectan Tubal 8000<<locked>>86%37,898 psi61%2375 fps95.3%
Somchem S355<<locked>>80%45,513 psi73%2438 fps100%
Somchem S355<<locked>>80%44,947 psi72%2425 fps100%
Somchem S355<<locked>>80%45,513 psi73%2438 fps100%
Somchem S361<<locked>>90%47,659 psi76%2477 fps95.6%
Somchem S361<<locked>>90%47,108 psi76%2464 fps95.4%
Somchem S361<<locked>>90%47,659 psi76%2477 fps95.6%
Somchem S365<<locked>>80%34,418 psi55%2320 fps100%
Somchem S365<<locked>>80%34,069 psi55%2313 fps100%
Somchem S365<<locked>>80%34,418 psi55%2320 fps100%
Somchem S385<<locked>>84%36,405 psi58%2316 fps95.7%
Somchem S385<<locked>>84%35,955 psi58%2303 fps95.5%
Somchem S385<<locked>>84%36,405 psi58%2316 fps95.7%
Vihtavuori N135<<locked>>80%51,938 psi83%2448 fps100%
Vihtavuori N135<<locked>>80%51,561 psi83%2441 fps100%
Vihtavuori N135<<locked>>80%51,938 psi83%2448 fps100%
Vihtavuori N140<<locked>>80%52,098 psi84%2464 fps100%
Vihtavuori N140<<locked>>80%51,488 psi83%2454 fps100%
Vihtavuori N140<<locked>>80%52,098 psi84%2464 fps100%
Vihtavuori N150<<locked>>80%43,526 psi70%2372 fps100%
Vihtavuori N150<<locked>>80%43,004 psi69%2362 fps100%
Vihtavuori N150<<locked>>80%43,526 psi70%2372 fps100%
Vihtavuori N160<<locked>>80%39,349 psi63%2356 fps99.2%
Vihtavuori N160<<locked>>80%39,015 psi63%2349 fps99.1%
Vihtavuori N160<<locked>>80%39,349 psi63%2356 fps99.2%
Vihtavuori N165<<locked>>88%35,766 psi57%2297 fps95%
Vihtavuori N165<<locked>>90%37,768 psi61%2336 fps95.6%
Vihtavuori N165<<locked>>88%35,766 psi57%2297 fps95%
Vihtavuori N540<<locked>>80%50,299 psi81%2464 fps100%
Vihtavuori N540<<locked>>80%49,777 psi80%2451 fps100%
Vihtavuori N540<<locked>>80%50,299 psi81%2464 fps100%
Vihtavuori N550<<locked>>80%38,899 psi62%2362 fps99%
Vihtavuori N550<<locked>>80%38,421 psi62%2349 fps98.9%
Vihtavuori N550<<locked>>80%38,899 psi62%2362 fps99%
Vihtavuori N555<<locked>>80%30,182 psi48%2228 fps97.6%
Vihtavuori N555<<locked>>80%29,849 psi48%2218 fps97.5%
Vihtavuori N555<<locked>>80%30,182 psi48%2228 fps97.6%
Vihtavuori N560<<locked>>92%44,686 psi72%2559 fps95.2%
Vihtavuori N560<<locked>>92%44,077 psi71%2543 fps95%
Vihtavuori N560<<locked>>92%44,686 psi72%2559 fps95.2%
Vihtavuori N565<<locked>>98%43,526 psi70%2533 fps95.3%
Vihtavuori N565<<locked>>98%42,902 psi69%2516 fps95%
Vihtavuori N565<<locked>>98%43,526 psi70%2533 fps95.3%
Winchester 6.5 StaBALL<<locked>>80%38,406 psi62%2329 fps100%
Winchester 6.5 StaBALL<<locked>>80%38,000 psi61%2320 fps99.9%
Winchester 6.5 StaBALL<<locked>>80%38,406 psi62%2329 fps100%
Winchester 760<<locked>>80%40,176 psi64%2408 fps97.5%
Winchester 760<<locked>>80%39,856 psi64%2402 fps97.4%
Winchester 760<<locked>>80%40,176 psi64%2408 fps97.5%
Winchester StaBALL HD<<locked>>80%24,105 psi39%2136 fps96.6%
Winchester StaBALL HD<<locked>>80%23,902 psi38%2126 fps96.3%
Winchester StaBALL HD<<locked>>80%24,105 psi39%2136 fps96.6%
Winchester Supreme 780<<locked>>88%38,247 psi61%2352 fps95.1%
Winchester Supreme 780<<locked>>90%40,248 psi65%2388 fps95.7%
Winchester Supreme 780<<locked>>88%38,247 psi61%2352 fps95.1%

Recommended = one of the top powders for this cartridge and bullet combination.

ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.

<<locked>> you need an access license to unlock this data.

This overview compares 277 powders for .300 H&H Mag. loaded with the .308 | 208gr | Berger Long Range Hybrid Target. Alliant Reloder-26 delivers the highest muzzle velocity at 2,772 fps; across all powders the maximum-charge window runs from 1,585 fps to 2,772 fps. Accurate 3100 gives the best case fill at 100 %, and 277 of the 277 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (430 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 208.0 gr projectile in 0.308" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 3100, Accurate 3100 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. Alliant Reloder-26, Norma MRP, Accurate High Country rank at the top here: for .300 H&H Mag. with the .308 | 208gr | Berger Long Range Hybrid Target they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.

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