Load data for 7 mm Blaser Mag. + .284 | 168gr | Barnes LRX BT

7 mm Blaser Mag. cartridge drawing
Barnes logo

Load Specifications

Bullet Manufacturer:Barnes
Bullet Weight:168 gr
Bullet Diameter:0.284"
Bullet Length:<<locked>>
Case Length (l3):2.303"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:82.5 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:25.6"
Max. allowed Pressure:60,916 psi
Recommended Twist Rate:1:9.0

Load data in caliber 7 mm Blaser Mag. with .284 | 168gr | Barnes LRX BT bullet and 151 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, IMR 7828 SSC and Vihtavuori N560.

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: 25.6"

PowderChargeFRMaxP%V(0)z
Accurate 3100<<locked>>94%51,547 psi85%2772 fps100%
Accurate 3100<<locked>>94%52,417 psi86%2785 fps100%
Accurate 4350<<locked>>86%53,243 psi87%2805 fps100%
Accurate 4350<<locked>>86%54,027 psi89%2822 fps100%
Accurate High Country<<locked>>92%54,128 psi89%2940 fps99.2%
Accurate MAGPRO<<locked>>94%54,056 psi89%2927 fps98.2%
Accurate MAGPRO<<locked>>92%51,184 psi84%2881 fps97.8%
ADI AR 2208<<locked>>82%55,042 psi90%2769 fps100%
ADI AR 2209<<locked>>92%54,447 psi89%2867 fps99.6%
ADI AR 2209<<locked>>92%55,071 psi90%2881 fps99.7%
ADI AR 2213<<locked>>94%51,924 psi85%2867 fps98.7%
ADI AR 2213<<locked>>94%52,765 psi87%2884 fps98.8%
ADI AR 2217ᴾ<<locked>>100%46,325 psi76%2762 fps97.9%
ADI AR 2217ᴾ<<locked>>100%47,239 psi78%2785 fps98.2%
ADI AR 2225ᴾ<<locked>>100%41,031 psi67%2723 fps99.3%
ADI AR 2225ᴾ<<locked>>100%41,858 psi69%2743 fps99.5%
Alliant Power Pro Varmint<<locked>>92%54,534 psi90%2864 fps99.6%
Alliant Power Pro Varmint<<locked>>90%51,779 psi85%2825 fps99.4%
Alliant Reloder-16<<locked>>88%54,505 psi89%2864 fps100%
Alliant Reloder-16<<locked>>86%51,808 psi85%2828 fps100%
Alliant Reloder-17<<locked>>82%51,735 psi85%2825 fps100%
Alliant Reloder-17<<locked>>82%52,518 psi86%2838 fps100%
Alliant Reloder-19<<locked>>92%53,853 psi88%2854 fps99.5%
Alliant Reloder-19<<locked>>92%54,708 psi90%2874 fps99.7%
Alliant Reloder-22<<locked>>94%51,735 psi85%2864 fps99.5%
Alliant Reloder-22<<locked>>94%52,576 psi86%2881 fps99.6%
Alliant Reloder-23<<locked>>96%52,881 psi87%2838 fps100%
Alliant Reloder-23<<locked>>96%53,795 psi88%2851 fps100%
Alliant Reloder-25ᴾ<<locked>>100%52,083 psi86%2897 fps100%
Alliant Reloder-25ᴾ<<locked>>100%52,895 psi87%2913 fps100%
Alliant Reloder-26<<locked>>92%52,736 psi87%2923 fps100%
Alliant Reloder-26<<locked>>92%53,983 psi89%2943 fps100%
Baschieri & Pellagri 109<<locked>>96%54,331 psi89%2835 fps96.4%
Baschieri & Pellagri 109<<locked>>96%54,868 psi90%2848 fps96.7%
Bofors RP15<<locked>>98%54,375 psi89%2904 fps99.6%
Bofors RP15<<locked>>96%51,808 psi85%2867 fps99.4%
Bofors RP30ᴾ<<locked>>100%47,805 psi78%2831 fps98.5%
Bofors RP30ᴾ<<locked>>100%48,892 psi80%2851 fps98.8%
Bofors RP5<<locked>>94%51,735 psi85%2864 fps99.5%
Bofors RP5<<locked>>94%52,576 psi86%2881 fps99.6%
Bofors RP7<<locked>>84%52,707 psi87%2756 fps99.8%
Bofors RP7<<locked>>84%53,388 psi88%2772 fps99.8%
Hodgdon H1000ᴾ<<locked>>100%51,227 psi84%2851 fps99.2%
Hodgdon H1000ᴾ<<locked>>100%52,156 psi86%2871 fps99.4%
Hodgdon H414<<locked>>84%51,648 psi85%2808 fps99.9%
Hodgdon H414<<locked>>84%52,359 psi86%2822 fps99.9%
Hodgdon H4350<<locked>>84%54,679 psi90%2822 fps99.7%
Hodgdon H4350<<locked>>82%51,808 psi85%2782 fps99.5%
Hodgdon H4831<<locked>>92%52,127 psi86%2808 fps98.1%
Hodgdon H4831<<locked>>92%52,924 psi87%2828 fps98.3%
Hodgdon H4831 SC<<locked>>94%54,549 psi90%2848 fps98.5%
Hodgdon H4831 SC<<locked>>92%51,880 psi85%2808 fps98.1%
Hodgdon Hybrid 100V<<locked>>90%54,694 psi90%2785 fps100%
Hodgdon Hybrid 100V<<locked>>88%51,938 psi85%2749 fps100%
Hodgdon Retumboᴾ<<locked>>100%50,937 psi84%2963 fps99.9%
Hodgdon Retumboᴾ<<locked>>100%51,996 psi85%2982 fps100%
Hodgdon Superformance<<locked>>84%51,590 psi85%2841 fps99.9%
Hodgdon Superformance<<locked>>84%52,460 psi86%2858 fps99.9%
Hodgdon TrailBossᴾ<<locked>>100%36,825 psi60%1749 fps100%
Hodgdon TrailBossᴾ<<locked>>100%36,811 psi60%1755 fps100%
IMR 4350<<locked>>88%54,244 psi89%2795 fps99.9%
IMR 4350<<locked>>88%54,839 psi90%2812 fps99.9%
IMR 4451 Enduron<<locked>>84%54,404 psi89%2785 fps100%
IMR 4451 Enduron<<locked>>84%55,056 psi90%2799 fps100%
IMR 4831<<locked>>88%53,664 psi88%2799 fps100%
IMR 4831<<locked>>88%54,650 psi90%2815 fps100%
IMR 4955 Enduron<<locked>>92%53,490 psi88%2795 fps98.4%
IMR 4955 Enduron<<locked>>92%54,012 psi89%2808 fps98.6%
IMR 7828 SSC<<locked>>96%53,258 psi87%2900 fps98.9%
IMR 7828 SSC<<locked>>96%54,375 psi89%2923 fps99.1%
Lovex S065<<locked>>86%54,578 psi90%2776 fps100%
Lovex S065<<locked>>84%51,982 psi85%2740 fps100%
Lovex S070<<locked>>86%52,881 psi87%2776 fps100%
Lovex S070<<locked>>86%53,519 psi88%2789 fps100%
Lovex S071ᴾ<<locked>>100%52,605 psi86%2785 fps100%
Lovex S071ᴾ<<locked>>100%53,519 psi88%2802 fps100%
Norma 204<<locked>>88%54,969 psi90%2851 fps99.5%
Norma 204<<locked>>86%52,170 psi86%2812 fps99.3%
Norma 217ᴾ<<locked>>100%36,390 psi60%2644 fps97.6%
Norma 217ᴾ<<locked>>100%37,275 psi61%2667 fps98%
Norma MRP<<locked>>92%51,459 psi84%2884 fps99.9%
Norma MRP<<locked>>92%52,344 psi86%2900 fps100%
Norma URP<<locked>>86%52,199 psi86%2792 fps100%
Norma URP<<locked>>86%52,895 psi87%2808 fps100%
Ramshot Grand<<locked>>96%53,911 psi89%2923 fps99.3%
Ramshot Grand<<locked>>96%55,056 psi90%2943 fps99.4%
Ramshot Hunter<<locked>>88%54,302 psi89%2851 fps100%
Ramshot Hunter<<locked>>86%51,663 psi85%2815 fps100%
Ramshot Magnum<<locked>>98%51,866 psi85%2854 fps99.8%
Ramshot Magnum<<locked>>98%52,910 psi87%2871 fps99.9%
ReloadSwiss RS 14ᴾ<<locked>>100%37,724 psi62%1795 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%37,724 psi62%1798 fps100%
ReloadSwiss RS 60<<locked>>82%55,071 psi90%2861 fps100%
ReloadSwiss RS 62<<locked>>86%53,214 psi87%2831 fps100%
ReloadSwiss RS 62<<locked>>86%54,143 psi89%2844 fps100%
ReloadSwiss RS 70<<locked>>86%51,576 psi85%2858 fps100%
ReloadSwiss RS 70<<locked>>86%52,489 psi86%2874 fps100%
ReloadSwiss RS 76ᴾ<<locked>>100%51,271 psi84%2956 fps100%
ReloadSwiss RS 76ᴾ<<locked>>100%52,489 psi86%2979 fps100%
ReloadSwiss RS 80ᴾ<<locked>>100%46,093 psi76%2838 fps96.8%
ReloadSwiss RS 80ᴾ<<locked>>100%47,268 psi78%2861 fps97.2%
Rottweil R 903<<locked>>82%53,693 psi88%2753 fps100%
Rottweil R 903<<locked>>82%54,447 psi89%2769 fps100%
Rottweil R 904<<locked>>90%52,199 psi86%2782 fps98.6%
Rottweil R 904<<locked>>90%53,026 psi87%2799 fps98.8%
Rottweil R 905<<locked>>92%53,127 psi87%2841 fps99.6%
Rottweil R 905<<locked>>92%54,041 psi89%2861 fps99.7%
Rottweil R 907<<locked>>84%52,707 psi87%2756 fps99.8%
Rottweil R 907<<locked>>84%53,388 psi88%2772 fps99.8%
Shooters World Long Rifle<<locked>>86%54,578 psi90%2776 fps100%
Shooters World Long Rifle<<locked>>84%51,982 psi85%2740 fps100%
Shooters World SW4350<<locked>>86%52,881 psi87%2776 fps100%
Shooters World SW4350<<locked>>86%53,519 psi88%2789 fps100%
SNPE Vectan Tubal 5000<<locked>>82%54,027 psi89%2631 fps100%
SNPE Vectan Tubal 5000<<locked>>82%54,795 psi90%2644 fps100%
SNPE Vectan Tubal 7000<<locked>>86%53,940 psi89%2733 fps100%
SNPE Vectan Tubal 7000<<locked>>86%54,534 psi90%2746 fps100%
SNPE Vectan Tubal 8000<<locked>>92%52,692 psi87%2835 fps99.5%
SNPE Vectan Tubal 8000<<locked>>92%53,606 psi88%2854 fps99.6%
Somchem S355<<locked>>82%53,534 psi88%2749 fps100%
Somchem S355<<locked>>82%54,273 psi89%2766 fps100%
Somchem S361<<locked>>90%53,606 psi88%2776 fps98.3%
Somchem S361<<locked>>90%54,288 psi89%2792 fps98.4%
Somchem S365<<locked>>88%52,112 psi86%2795 fps100%
Somchem S365<<locked>>88%52,881 psi87%2805 fps100%
Somchem S385<<locked>>92%53,722 psi88%2815 fps99.8%
Somchem S385<<locked>>92%54,563 psi90%2835 fps99.9%
Vihtavuori N150<<locked>>84%54,708 psi90%2720 fps100%
Vihtavuori N150<<locked>>82%52,054 psi85%2687 fps100%
Vihtavuori N160<<locked>>86%53,940 psi89%2785 fps100%
Vihtavuori N160<<locked>>86%54,607 psi90%2799 fps100%
Vihtavuori N165<<locked>>96%53,258 psi87%2799 fps99.7%
Vihtavuori N165<<locked>>96%54,070 psi89%2812 fps99.8%
Vihtavuori N550<<locked>>86%52,924 psi87%2789 fps100%
Vihtavuori N550<<locked>>86%53,809 psi88%2805 fps100%
Vihtavuori N555<<locked>>94%54,998 psi90%2861 fps100%
Vihtavuori N555<<locked>>92%52,504 psi86%2828 fps100%
Vihtavuori N560<<locked>>92%51,488 psi85%2881 fps98.3%
Vihtavuori N560<<locked>>92%52,344 psi86%2897 fps98.5%
Vihtavuori N565ᴾ<<locked>>100%54,621 psi90%2917 fps98.9%
Vihtavuori N565<<locked>>98%51,953 psi85%2877 fps98.6%
Vihtavuori N568ᴾ<<locked>>100%47,514 psi78%2844 fps96.6%
Vihtavuori N568ᴾ<<locked>>100%48,443 psi80%2867 fps96.9%
Winchester 6.5 StaBALL<<locked>>86%53,432 psi88%2746 fps100%
Winchester 6.5 StaBALL<<locked>>86%54,259 psi89%2759 fps100%
Winchester 760<<locked>>84%51,924 psi85%2812 fps99.9%
Winchester 760<<locked>>84%52,634 psi86%2828 fps100%
Winchester StaBALL HD<<locked>>98%53,432 psi88%2966 fps100%
Winchester StaBALL HD<<locked>>98%54,853 psi90%2986 fps100%
Winchester Supreme 780<<locked>>94%53,693 psi88%2812 fps99.5%
Winchester Supreme 780<<locked>>94%54,505 psi89%2828 fps99.6%

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

Start Load - Barrel Length: 25.6"

PowderChargeFRMaxP%V(0)z
Accurate 3100<<locked>>80%31,865 psi52%2392 fps97.2%
Accurate 3100<<locked>>80%32,300 psi53%2405 fps97.4%
Accurate 4350<<locked>>80%43,250 psi71%2644 fps100%
Accurate 4350<<locked>>80%43,816 psi72%2657 fps100%
Accurate High Country<<locked>>82%37,898 psi62%2631 fps95.6%
Accurate MAGPRO<<locked>>88%43,482 psi71%2736 fps95.8%
Accurate MAGPRO<<locked>>86%41,278 psi68%2694 fps95.2%
ADI AR 2208<<locked>>80%51,706 psi85%2720 fps100%
ADI AR 2209<<locked>>80%36,332 psi60%2523 fps95.9%
ADI AR 2209<<locked>>80%36,927 psi61%2539 fps96.2%
ADI AR 2213<<locked>>86%39,552 psi65%2628 fps95.6%
ADI AR 2213<<locked>>84%37,579 psi62%2585 fps95%
ADI AR 2217<<locked>>94%37,797 psi62%2582 fps95.2%
ADI AR 2217<<locked>>94%38,421 psi63%2602 fps95.6%
ADI AR 2225<<locked>>92%31,546 psi52%2484 fps96%
ADI AR 2225<<locked>>90%30,168 psi50%2444 fps95.3%
Alliant Power Pro Varmint<<locked>>80%36,651 psi60%2526 fps96.1%
Alliant Power Pro Varmint<<locked>>80%37,072 psi61%2539 fps96.3%
Alliant Reloder-16<<locked>>80%41,814 psi69%2654 fps100%
Alliant Reloder-16<<locked>>80%42,308 psi69%2667 fps100%
Alliant Reloder-17<<locked>>80%48,138 psi79%2769 fps100%
Alliant Reloder-17<<locked>>80%48,950 psi80%2782 fps100%
Alliant Reloder-19<<locked>>80%36,289 psi60%2520 fps96%
Alliant Reloder-19<<locked>>80%36,738 psi60%2533 fps96.2%
Alliant Reloder-22<<locked>>82%34,272 psi56%2513 fps95.4%
Alliant Reloder-22<<locked>>82%34,867 psi57%2533 fps95.7%
Alliant Reloder-23<<locked>>80%30,734 psi50%2425 fps99.6%
Alliant Reloder-23<<locked>>80%31,343 psi51%2441 fps99.7%
Alliant Reloder-25<<locked>>80%26,818 psi44%2329 fps95.4%
Alliant Reloder-25<<locked>>80%27,311 psi45%2349 fps95.8%
Alliant Reloder-26<<locked>>80%33,359 psi55%2556 fps99%
Alliant Reloder-26<<locked>>80%33,997 psi56%2572 fps99.2%
Baschieri & Pellagri 109<<locked>>94%50,850 psi83%2776 fps95.6%
Baschieri & Pellagri 109<<locked>>92%48,559 psi80%2740 fps95.1%
Bofors RP15<<locked>>84%34,011 psi56%2507 fps95.1%
Bofors RP15<<locked>>84%34,592 psi57%2523 fps95.4%
Bofors RP30<<locked>>92%36,361 psi60%2598 fps95.4%
Bofors RP30<<locked>>92%37,057 psi61%2618 fps95.8%
Bofors RP5<<locked>>82%34,272 psi56%2513 fps95.4%
Bofors RP5<<locked>>82%34,867 psi57%2533 fps95.7%
Bofors RP7<<locked>>80%46,470 psi76%2651 fps99.2%
Bofors RP7<<locked>>80%46,920 psi77%2664 fps99.3%
Hodgdon H1000<<locked>>90%36,158 psi59%2546 fps95.3%
Hodgdon H1000<<locked>>90%36,811 psi60%2569 fps95.7%
Hodgdon H414<<locked>>80%45,237 psi74%2697 fps99.4%
Hodgdon H414<<locked>>80%45,934 psi75%2713 fps99.5%
Hodgdon H4350<<locked>>80%48,008 psi79%2713 fps99%
Hodgdon H4350<<locked>>80%48,472 psi80%2726 fps99.1%
Hodgdon H4831<<locked>>86%42,366 psi70%2635 fps95.9%
Hodgdon H4831<<locked>>84%40,030 psi66%2589 fps95.2%
Hodgdon H4831 SC<<locked>>86%41,524 psi68%2618 fps95.6%
Hodgdon H4831 SC<<locked>>84%39,421 psi65%2579 fps95%
Hodgdon Hybrid 100V<<locked>>80%39,189 psi64%2539 fps100%
Hodgdon Hybrid 100V<<locked>>80%39,900 psi66%2556 fps100%
Hodgdon Retumbo<<locked>>88%34,011 psi56%2582 fps95.8%
Hodgdon Retumbo<<locked>>86%32,372 psi53%2539 fps95%
Hodgdon Superformance<<locked>>80%44,498 psi73%2720 fps99.2%
Hodgdon Superformance<<locked>>80%45,150 psi74%2733 fps99.3%
Hodgdon TrailBoss<<locked>>80%27,528 psi45%1562 fps100%
Hodgdon TrailBoss<<locked>>80%27,644 psi45%1568 fps100%
IMR 4350<<locked>>80%42,047 psi69%2589 fps98.5%
IMR 4350<<locked>>80%42,685 psi70%2602 fps98.7%
IMR 4451 Enduron<<locked>>80%47,848 psi79%2674 fps99.6%
IMR 4451 Enduron<<locked>>80%48,530 psi80%2694 fps99.7%
IMR 4831<<locked>>80%41,234 psi68%2592 fps99.9%
IMR 4831<<locked>>80%41,945 psi69%2608 fps100%
IMR 4955 Enduron<<locked>>84%41,307 psi68%2575 fps95.7%
IMR 4955 Enduron<<locked>>82%39,363 psi65%2539 fps95.2%
IMR 7828 SSC58.6 gr86%37,869 psi62%2602 fps95.1%
IMR 7828 SSC58.6 gr86%38,609 psi63%2621 fps95.5%
Lovex S065<<locked>>80%45,295 psi74%2625 fps99.8%
Lovex S065<<locked>>80%45,977 psi75%2641 fps99.9%
Lovex S070<<locked>>80%43,613 psi72%2615 fps99.2%
Lovex S070<<locked>>80%44,295 psi73%2631 fps99.4%
Lovex S071<<locked>>80%27,340 psi45%2270 fps95.2%
Lovex S071<<locked>>80%27,789 psi46%2287 fps95.5%
Norma 204<<locked>>80%41,785 psi69%2621 fps97.4%
Norma 204<<locked>>80%42,424 psi70%2635 fps97.7%
Norma 217<<locked>>96%31,879 psi52%2526 fps95.7%
Norma 217<<locked>>94%30,472 psi50%2487 fps95%
Norma MRP<<locked>>80%33,344 psi55%2520 fps96.6%
Norma MRP<<locked>>80%33,968 psi56%2539 fps96.9%
Norma URP<<locked>>80%42,743 psi70%2635 fps100%
Norma URP<<locked>>80%43,424 psi71%2651 fps100%
Ramshot Grand<<locked>>86%37,492 psi62%2605 fps95.4%
Ramshot Grand<<locked>>86%38,029 psi62%2625 fps95.8%
Ramshot Hunter<<locked>>80%41,524 psi68%2631 fps99.3%
Ramshot Hunter<<locked>>80%42,177 psi69%2648 fps99.5%
Ramshot Magnum<<locked>>86%33,228 psi55%2487 fps95.8%
Ramshot Magnum<<locked>>84%31,372 psi52%2441 fps95.1%
ReloadSwiss RS 14<<locked>>80%28,210 psi46%1601 fps100%
ReloadSwiss RS 14<<locked>>80%28,123 psi46%1604 fps100%
ReloadSwiss RS 60<<locked>>80%51,213 psi84%2812 fps100%
ReloadSwiss RS 62<<locked>>80%43,134 psi71%2664 fps100%
ReloadSwiss RS 62<<locked>>80%43,845 psi72%2680 fps100%
ReloadSwiss RS 70<<locked>>80%41,684 psi68%2687 fps99.9%
ReloadSwiss RS 70<<locked>>80%42,308 psi69%2700 fps100%
ReloadSwiss RS 76<<locked>>86%30,951 psi51%2497 fps95.5%
ReloadSwiss RS 76<<locked>>86%31,517 psi52%2516 fps96%
ReloadSwiss RS 80<<locked>>98%42,830 psi70%2772 fps95.8%
ReloadSwiss RS 80<<locked>>96%40,466 psi66%2726 fps95.2%
Rottweil R 903<<locked>>80%50,328 psi83%2703 fps100%
Rottweil R 903<<locked>>80%51,111 psi84%2720 fps100%
Rottweil R 904<<locked>>80%37,652 psi62%2503 fps95.1%
Rottweil R 904<<locked>>80%38,261 psi63%2523 fps95.5%
Rottweil R 905<<locked>>80%35,491 psi58%2503 fps95.9%
Rottweil R 905<<locked>>80%35,955 psi59%2516 fps96.2%
Rottweil R 907<<locked>>80%46,470 psi76%2651 fps99.2%
Rottweil R 907<<locked>>80%46,920 psi77%2664 fps99.3%
Shooters World Long Rifle<<locked>>80%45,295 psi74%2625 fps99.8%
Shooters World Long Rifle<<locked>>80%45,977 psi75%2641 fps99.9%
Shooters World SW4350<<locked>>80%43,613 psi72%2615 fps99.2%
Shooters World SW4350<<locked>>80%44,295 psi73%2631 fps99.4%
SNPE Vectan Tubal 5000<<locked>>80%50,923 psi84%2589 fps100%
SNPE Vectan Tubal 5000<<locked>>80%51,459 psi84%2598 fps100%
SNPE Vectan Tubal 7000<<locked>>80%44,338 psi73%2575 fps99.2%
SNPE Vectan Tubal 7000<<locked>>80%44,976 psi74%2592 fps99.4%
SNPE Vectan Tubal 8000<<locked>>80%35,186 psi58%2500 fps95.8%
SNPE Vectan Tubal 8000<<locked>>80%35,636 psi59%2510 fps96%
Somchem S355<<locked>>80%50,256 psi83%2700 fps100%
Somchem S355<<locked>>80%50,995 psi84%2717 fps100%
Somchem S361<<locked>>82%40,944 psi67%2549 fps95.4%
Somchem S361<<locked>>82%41,437 psi68%2566 fps95.6%
Somchem S365<<locked>>80%39,523 psi65%2592 fps100%
Somchem S365<<locked>>80%40,277 psi66%2605 fps100%
Somchem S385<<locked>>80%36,042 psi59%2487 fps97%
Somchem S385<<locked>>80%36,448 psi60%2500 fps97.2%
Vihtavuori N150<<locked>>80%48,153 psi79%2628 fps100%
Vihtavuori N150<<locked>>80%48,863 psi80%2641 fps100%
Vihtavuori N160<<locked>>80%44,208 psi73%2631 fps100%
Vihtavuori N160<<locked>>80%44,686 psi73%2644 fps100%
Vihtavuori N165<<locked>>82%33,228 psi55%2418 fps95.6%
Vihtavuori N165<<locked>>82%33,794 psi55%2434 fps95.9%
Vihtavuori N550<<locked>>80%43,381 psi71%2631 fps100%
Vihtavuori N550<<locked>>80%44,063 psi72%2648 fps100%
Vihtavuori N555<<locked>>80%34,374 psi56%2493 fps99.5%
Vihtavuori N555<<locked>>80%35,085 psi58%2513 fps99.6%
Vihtavuori N56059.4 gr84%38,856 psi64%2635 fps95%
Vihtavuori N56059.4 gr84%39,436 psi65%2651 fps95.3%
Vihtavuori N565<<locked>>90%38,551 psi63%2618 fps95.2%
Vihtavuori N565<<locked>>90%39,291 psi65%2638 fps95.6%
Vihtavuori N568<<locked>>98%44,251 psi73%2782 fps95.6%
Vihtavuori N568<<locked>>96%42,076 psi69%2743 fps95%
Winchester 6.5 StaBALL<<locked>>80%43,120 psi71%2592 fps100%
Winchester 6.5 StaBALL<<locked>>80%43,932 psi72%2608 fps100%
Winchester 760<<locked>>80%45,237 psi74%2697 fps99.4%
Winchester 760<<locked>>80%45,934 psi75%2713 fps99.5%
Winchester StaBALL HD56 gr80%27,079 psi44%2431 fps99.6%
Winchester StaBALL HD56 gr80%27,572 psi45%2451 fps99.8%
Winchester Supreme 780<<locked>>82%35,215 psi58%2470 fps95.6%
Winchester Supreme 780<<locked>>80%33,315 psi55%2428 fps95%

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.

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This overview compares 151 powders for 7 mm Blaser Mag. loaded with the .284 | 168gr | Barnes LRX BT. Winchester StaBALL HD delivers the highest muzzle velocity at 2,986 fps; across all powders the maximum-charge window runs from 1,749 fps to 2,986 fps. ADI AR 2217 gives the best case fill at 100 %, and 151 of the 151 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (420 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 168.0 gr projectile in 0.284" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2217, ADI AR 2225 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. Winchester StaBALL HD, IMR 7828 SSC, Vihtavuori N560 rank at the top here: for 7 mm Blaser Mag. with the .284 | 168gr | Barnes LRX BT 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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