Load data for 7 mm Exp. Rem. + .284 | 145gr | Speer Hot-Cor

7 mm Exp. Rem. cartridge drawing
Speer logo

Load Specifications

Bullet Manufacturer:Speer
Bullet Weight:145 gr
Bullet Diameter:0.284"
Bullet Length:<<locked>>
Case Length (l3):2.54"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:67.5 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:22"
Max. allowed Pressure:58,740 psi
Recommended Twist Rate:1:13.0

Load data in caliber 7 mm Exp. Rem. with .284 | 145gr | Speer Hot-Cor bullet and 81 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-17 and ReloadSwiss RS 60.

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.

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Max Load - Barrel Length: 22"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>84%52,054 psi89%2680 fps100%
Accurate 2700<<locked>>84%50,473 psi86%2671 fps96.2%
Accurate 3100ᴾ<<locked>>100%46,108 psi78%2684 fps97%
Accurate 4064<<locked>>86%52,257 psi89%2726 fps100%
Accurate 4350<<locked>>94%52,069 psi89%2805 fps99.3%
ADI AR 2206H<<locked>>82%51,967 psi88%2746 fps99.8%
ADI AR 2208<<locked>>86%50,096 psi85%2703 fps99.4%
Alliant Power Pro 2000-MR<<locked>>84%51,677 psi88%2858 fps99.6%
Alliant Reloder- TS 15.5<<locked>>86%50,227 psi86%2726 fps100%
Alliant Reloder-15<<locked>>84%50,662 psi86%2743 fps99.5%
Alliant Reloder-16<<locked>>94%49,879 psi85%2805 fps99.4%
Alliant Reloder-17<<locked>>90%50,821 psi87%2838 fps100%
Alliant Reloder-23ᴾ<<locked>>100%43,613 psi74%2710 fps99.4%
Alliant Reloder-26ᴾ<<locked>>100%49,400 psi84%2881 fps99%
Baschieri & Pellagri 107<<locked>>82%51,750 psi88%2759 fps99.4%
Bofors RP3<<locked>>86%50,517 psi86%2736 fps100%
Bofors RP7<<locked>>90%50,575 psi86%2707 fps96.4%
Hodgdon H380<<locked>>86%51,387 psi87%2746 fps98.9%
Hodgdon H414<<locked>>92%51,372 psi87%2799 fps97.2%
Hodgdon H4350<<locked>>90%51,663 psi88%2762 fps95.9%
Hodgdon H4895<<locked>>82%52,547 psi89%2756 fps100%
Hodgdon Hybrid 100V<<locked>>96%49,879 psi85%2743 fps99.9%
Hodgdon LEVERevolution<<locked>>84%52,257 psi89%2789 fps100%
Hodgdon Superformance<<locked>>92%51,300 psi87%2828 fps96.8%
Hodgdon TrailBossᴾ<<locked>>100%36,027 psi61%1732 fps100%
Hodgdon VARGET<<locked>>82%50,444 psi86%2710 fps99.9%
IMR 3031<<locked>>82%52,692 psi90%2743 fps100%
IMR 4064<<locked>>86%52,721 psi90%2736 fps99.7%
IMR 4166 Enduron<<locked>>84%52,141 psi89%2710 fps97.3%
IMR 4350<<locked>>94%50,966 psi87%2733 fps96.5%
IMR 4451 Enduron<<locked>>90%52,489 psi89%2743 fps97.3%
IMR 4831<<locked>>96%52,721 psi90%2799 fps99.5%
IMR 4895<<locked>>84%51,924 psi88%2772 fps99.8%
Lovex D073.6<<locked>>82%51,808 psi88%2726 fps100%
Lovex S060<<locked>>82%51,227 psi87%2677 fps99.8%
Lovex S062<<locked>>86%52,750 psi90%2736 fps100%
Lovex S065<<locked>>92%52,127 psi89%2736 fps98.5%
Lovex S070<<locked>>94%53,142 psi90%2772 fps97.7%
Norma 201<<locked>>82%50,894 psi87%2697 fps100%
Norma 202<<locked>>82%51,576 psi88%2700 fps100%
Norma 203B<<locked>>86%53,069 psi90%2782 fps99.9%
Norma MRPᴾ<<locked>>100%48,907 psi83%2835 fps96.5%
Norma URP<<locked>>94%51,416 psi88%2795 fps99.2%
Ramshot Big Game<<locked>>84%50,169 psi85%2749 fps99.7%
Ramshot Hunter<<locked>>94%50,096 psi85%2785 fps97.8%
ReloadSwiss RS 14ᴾ<<locked>>100%36,419 psi62%1768 fps100%
ReloadSwiss RS 50<<locked>>86%51,547 psi88%2730 fps97.8%
ReloadSwiss RS 52<<locked>>82%50,705 psi86%2799 fps99.5%
ReloadSwiss RS 60<<locked>>88%50,502 psi86%2838 fps100%
ReloadSwiss RS 62<<locked>>94%51,909 psi88%2825 fps99.2%
ReloadSwiss RS 70<<locked>>94%50,937 psi87%2848 fps98.9%
Rottweil R 902<<locked>>84%51,401 psi88%2697 fps100%
Rottweil R 903<<locked>>88%50,691 psi86%2733 fps99.9%
Rottweil R 907<<locked>>90%50,575 psi86%2707 fps96.4%
Shooters World Long Rifle<<locked>>92%52,127 psi89%2736 fps98.5%
Shooters World Match Rifle<<locked>>82%51,808 psi88%2726 fps100%
Shooters World Precision<<locked>>86%52,750 psi90%2736 fps100%
Shooters World SW4350<<locked>>94%53,142 psi90%2772 fps97.7%
SNPE Vectan SP 11<<locked>>88%52,272 psi89%2789 fps99.8%
SNPE Vectan SP 7<<locked>>82%52,953 psi90%2746 fps99.1%
SNPE Vectan SP 9<<locked>>82%50,343 psi86%2717 fps99.7%
SNPE Vectan Tubal 3000<<locked>>82%52,069 psi89%2641 fps100%
SNPE Vectan Tubal 5000<<locked>>88%52,489 psi89%2644 fps100%
SNPE Vectan Tubal 7000<<locked>>92%51,880 psi88%2690 fps97.3%
Somchem S335<<locked>>82%51,648 psi88%2641 fps100%
Somchem S341<<locked>>82%52,736 psi90%2740 fps99.8%
Somchem S355<<locked>>88%50,836 psi87%2726 fps99.9%
Somchem S365<<locked>>98%53,113 psi90%2851 fps100%
Somchem S385ᴾ<<locked>>100%52,518 psi89%2789 fps96.8%
Vihtavuori N133<<locked>>82%52,504 psi89%2631 fps100%
Vihtavuori N135<<locked>>84%51,576 psi88%2671 fps100%
Vihtavuori N140<<locked>>84%51,851 psi88%2680 fps100%
Vihtavuori N150<<locked>>90%52,098 psi89%2710 fps100%
Vihtavuori N160<<locked>>92%50,125 psi85%2740 fps99%
Vihtavuori N540<<locked>>84%50,198 psi85%2674 fps100%
Vihtavuori N550<<locked>>94%52,605 psi90%2792 fps99.2%
Vihtavuori N555ᴾ<<locked>>100%48,486 psi83%2785 fps99.3%
Winchester 6.5 StaBALL<<locked>>92%49,908 psi85%2717 fps100%
Winchester 760<<locked>>92%51,372 psi87%2799 fps97.2%
Winchester StaBALL HDᴾ<<locked>>100%39,189 psi67%2723 fps99.5%
Winchester StaBALL Match<<locked>>82%50,183 psi85%2720 fps99.9%

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

Start Load - Barrel Length: 22"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>80%45,774 psi78%2585 fps100%
Accurate 2700<<locked>>82%47,253 psi80%2612 fps95.3%
Accurate 3100<<locked>>96%40,364 psi69%2575 fps95.4%
Accurate 4064<<locked>>80%43,294 psi74%2582 fps100%
Accurate 4350<<locked>>82%34,476 psi59%2461 fps95.2%
ADI AR 2206H<<locked>>80%48,907 psi83%2697 fps99.6%
ADI AR 2208<<locked>>80%41,394 psi70%2539 fps98%
Alliant Power Pro 2000-MR<<locked>>80%44,788 psi76%2730 fps98.7%
Alliant Reloder- TS 15.5<<locked>>80%41,437 psi71%2566 fps99.2%
Alliant Reloder-15<<locked>>80%44,498 psi76%2635 fps98.7%
Alliant Reloder-16<<locked>>82%34,301 psi58%2474 fps95.3%
Alliant Reloder-1747.7 gr80%36,027 psi61%2543 fps97.8%
Alliant Reloder-23<<locked>>90%32,010 psi54%2438 fps96.1%
Alliant Reloder-26<<locked>>92%37,072 psi63%2618 fps95.5%
Baschieri & Pellagri 107<<locked>>80%48,196 psi82%2700 fps98.9%
Bofors RP3<<locked>>80%41,524 psi71%2575 fps99.2%
Bofors RP7<<locked>>88%47,601 psi81%2654 fps95.7%
Hodgdon H380<<locked>>80%42,148 psi72%2579 fps97.2%
Hodgdon H414<<locked>>88%44,831 psi76%2680 fps95.6%
Hodgdon H4350<<locked>>88%48,573 psi83%2707 fps95.1%
Hodgdon H4895<<locked>>80%49,400 psi84%2707 fps99.8%
Hodgdon Hybrid 100V<<locked>>80%29,689 psi51%2323 fps95.2%
Hodgdon LEVERevolution<<locked>>80%45,585 psi78%2677 fps99.7%
Hodgdon Superformance<<locked>>90%47,616 psi81%2759 fps95.9%
Hodgdon TrailBoss<<locked>>80%26,731 psi46%1542 fps100%
Hodgdon VARGET<<locked>>80%47,152 psi80%2654 fps99.7%
IMR 3031<<locked>>80%49,371 psi84%2694 fps100%
IMR 4064<<locked>>80%43,511 psi74%2579 fps98.6%
IMR 4166 Enduron<<locked>>80%45,934 psi78%2602 fps95.9%
IMR 4350<<locked>>90%45,136 psi77%2628 fps95%
IMR 4451 Enduron<<locked>>84%43,613 psi74%2579 fps95.1%
IMR 4831<<locked>>84%35,563 psi61%2474 fps95.8%
IMR 4895<<locked>>80%45,629 psi78%2664 fps99.3%
Lovex D073.6<<locked>>80%48,646 psi83%2677 fps100%
Lovex S060<<locked>>80%48,269 psi82%2628 fps99.6%
Lovex S062<<locked>>80%43,584 psi74%2579 fps99.7%
Lovex S065<<locked>>82%38,305 psi65%2474 fps95.1%
Lovex S070<<locked>>88%43,990 psi75%2612 fps95.6%
Norma 201<<locked>>80%47,848 psi81%2644 fps99.9%
Norma 202<<locked>>80%48,167 psi82%2648 fps100%
Norma 203B<<locked>>80%43,874 psi75%2621 fps99%
Norma MRP<<locked>>98%45,614 psi78%2769 fps95.6%
Norma URP<<locked>>82%34,635 psi59%2461 fps95.1%
Ramshot Big Game<<locked>>80%43,569 psi74%2635 fps98.8%
Ramshot Hunter<<locked>>88%41,147 psi70%2615 fps95.5%
ReloadSwiss RS 14<<locked>>80%27,151 psi46%1578 fps100%
ReloadSwiss RS 50<<locked>>80%42,293 psi72%2559 fps95.5%
ReloadSwiss RS 52<<locked>>80%47,514 psi81%2743 fps99.1%
ReloadSwiss RS 6047.7 gr80%38,319 psi65%2608 fps99.8%
ReloadSwiss RS 62<<locked>>84%36,593 psi62%2533 fps95.6%
ReloadSwiss RS 7052.1 gr86%38,841 psi66%2598 fps95.7%
Rottweil R 902<<locked>>80%45,426 psi77%2595 fps99.8%
Rottweil R 903<<locked>>80%39,044 psi66%2520 fps98.6%
Rottweil R 907<<locked>>88%47,601 psi81%2654 fps95.7%
Shooters World Long Rifle<<locked>>82%38,305 psi65%2474 fps95.1%
Shooters World Match Rifle<<locked>>80%48,646 psi83%2677 fps100%
Shooters World Precision<<locked>>80%43,584 psi74%2579 fps99.7%
Shooters World SW4350<<locked>>88%43,990 psi75%2612 fps95.6%
SNPE Vectan SP 11<<locked>>80%40,089 psi68%2569 fps98.2%
SNPE Vectan SP 7<<locked>>80%49,472 psi84%2690 fps98.6%
SNPE Vectan SP 9<<locked>>80%47,427 psi81%2664 fps99.4%
SNPE Vectan Tubal 3000<<locked>>80%48,878 psi83%2592 fps100%
SNPE Vectan Tubal 5000<<locked>>80%41,017 psi70%2461 fps100%
SNPE Vectan Tubal 7000<<locked>>86%42,786 psi73%2526 fps95%
Somchem S335<<locked>>80%48,602 psi83%2595 fps100%
Somchem S341<<locked>>80%49,081 psi84%2684 fps99.6%
Somchem S355<<locked>>80%39,668 psi68%2523 fps98.6%
Somchem S365<<locked>>80%29,051 psi49%2356 fps96.5%
Somchem S385<<locked>>96%46,050 psi78%2677 fps95.2%
Vihtavuori N133<<locked>>80%49,313 psi84%2585 fps100%
Vihtavuori N135<<locked>>80%45,353 psi77%2575 fps100%
Vihtavuori N140<<locked>>80%45,818 psi78%2585 fps100%
Vihtavuori N150<<locked>>80%37,797 psi64%2461 fps99.2%
Vihtavuori N160<<locked>>82%36,056 psi61%2467 fps95.7%
Vihtavuori N540<<locked>>80%44,222 psi75%2575 fps100%
Vihtavuori N550<<locked>>82%35,534 psi60%2464 fps95.2%
Vihtavuori N555<<locked>>88%32,561 psi55%2454 fps95.2%
Winchester 6.5 StaBALL<<locked>>80%33,272 psi57%2385 fps97%
Winchester 760<<locked>>88%45,107 psi77%2687 fps95.7%
Winchester StaBALL HD<<locked>>92%30,168 psi51%2461 fps95.6%
Winchester StaBALL Match<<locked>>80%47,181 psi80%2671 fps99.7%

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 81 powders for 7 mm Exp. Rem. loaded with the .284 | 145gr | Speer Hot-Cor. Alliant Reloder-26 delivers the highest muzzle velocity at 2,881 fps; across all powders the maximum-charge window runs from 1,732 fps to 2,881 fps. Accurate 3100 gives the best case fill at 100 %, and 81 of the 81 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (405 MPa), the top charges use 61–90 %, leaving at least 10 % headroom. The 145.0 gr projectile in 0.284" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-23, Alliant Reloder-26 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. ReloadSwiss RS 70, Alliant Reloder-17, ReloadSwiss RS 60 rank at the top here: for 7 mm Exp. Rem. with the .284 | 145gr | Speer Hot-Cor 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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