Load data for 7 mm Exp. Rem. + .284 | 140gr | Barnes TSX BT

7 mm Exp. Rem. cartridge drawing
Barnes logo

Load Specifications

Bullet Manufacturer:Barnes
Bullet Weight:140 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:1:10.5

Load data in caliber 7 mm Exp. Rem. with .284 | 140gr | Barnes TSX BT bullet and 88 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, ReloadSwiss RS 60 and Alliant Reloder-17.

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 2015<<locked>>82%51,677 psi88%2680 fps100%
Accurate 2495<<locked>>86%49,879 psi85%2697 fps100%
Accurate 2520<<locked>>82%51,880 psi88%2762 fps100%
Accurate 2700<<locked>>88%52,982 psi90%2743 fps96%
Accurate 4064<<locked>>88%50,212 psi85%2743 fps100%
Accurate 4350<<locked>>96%49,893 psi85%2808 fps98.7%
ADI AR 2206H<<locked>>84%51,155 psi87%2772 fps99.5%
ADI AR 2208<<locked>>90%52,185 psi89%2772 fps99.3%
ADI Benchmark 8208<<locked>>82%50,212 psi85%2726 fps99.9%
Alliant AR-Comp<<locked>>82%50,691 psi86%2710 fps100%
Alliant Power Pro 2000-MR<<locked>>86%50,386 psi86%2874 fps99.2%
Alliant Reloder- TS 15.5<<locked>>90%51,924 psi88%2792 fps99.9%
Alliant Reloder-15<<locked>>88%52,402 psi89%2812 fps99.4%
Alliant Reloder-16<<locked>>98%51,677 psi88%2874 fps99.2%
Alliant Reloder-17<<locked>>94%52,591 psi90%2907 fps99.9%
Alliant Reloder-23ᴾ<<locked>>100%39,088 psi67%2648 fps98%
Alliant Reloder-26ᴾ<<locked>>100%43,859 psi75%2808 fps97.2%
Baschieri & Pellagri 107<<locked>>84%50,821 psi87%2782 fps98.9%
Bofors RP3<<locked>>90%52,417 psi89%2808 fps99.9%
Bofors RP7<<locked>>94%52,750 psi90%2776 fps96.2%
Hodgdon Benchmark<<locked>>82%51,880 psi88%2713 fps100%
Hodgdon BL-C2<<locked>>84%52,779 psi90%2805 fps100%
Hodgdon H380<<locked>>88%49,995 psi85%2762 fps98.3%
Hodgdon H414<<locked>>96%53,142 psi90%2864 fps97%
Hodgdon H4895<<locked>>84%51,648 psi88%2785 fps99.8%
Hodgdon Hybrid 100Vᴾ<<locked>>100%51,213 psi87%2805 fps99.8%
Hodgdon LEVERevolution<<locked>>86%50,734 psi86%2812 fps99.9%
Hodgdon TrailBossᴾ<<locked>>100%35,273 psi60%1736 fps100%
Hodgdon VARGET<<locked>>86%52,808 psi90%2785 fps99.8%
IMR 3031<<locked>>84%51,416 psi88%2772 fps100%
IMR 4064<<locked>>88%51,517 psi88%2756 fps99.4%
IMR 4166 Enduron<<locked>>86%51,488 psi88%2733 fps96.5%
IMR 4350<<locked>>98%52,997 psi90%2802 fps96.3%
IMR 4451 Enduron<<locked>>92%51,314 psi87%2756 fps96.4%
IMR 4831<<locked>>98%50,923 psi87%2808 fps98.9%
IMR 4895<<locked>>86%50,662 psi86%2792 fps99.5%
IMR 8208 XBR<<locked>>82%50,212 psi85%2726 fps99.9%
Lovex D073.6<<locked>>84%50,575 psi86%2749 fps100%
Lovex S060<<locked>>84%50,763 psi86%2703 fps99.5%
Lovex S062<<locked>>88%51,213 psi87%2753 fps100%
Lovex S065<<locked>>94%50,618 psi86%2749 fps97.7%
Lovex S070<<locked>>96%51,590 psi88%2782 fps96.8%
Norma 201<<locked>>86%52,866 psi90%2769 fps100%
Norma 202<<locked>>84%50,256 psi86%2723 fps100%
Norma 203B<<locked>>88%51,590 psi88%2799 fps99.6%
Norma URP<<locked>>98%52,765 psi90%2858 fps99%
Ramshot Big Game<<locked>>88%52,330 psi89%2828 fps99.6%
Ramshot Hunter<<locked>>98%51,880 psi88%2854 fps97.6%
Ramshot TAC<<locked>>82%50,241 psi86%2733 fps97.8%
Ramshot Wild Boar<<locked>>82%49,661 psi85%2753 fps99.4%
ReloadSwiss RS 14ᴾ<<locked>>100%35,839 psi61%1778 fps100%
ReloadSwiss RS 50<<locked>>88%50,415 psi86%2746 fps96.9%
ReloadSwiss RS 52<<locked>>86%52,953 psi90%2877 fps99.5%
ReloadSwiss RS 60<<locked>>92%52,518 psi89%2913 fps100%
ReloadSwiss RS 62<<locked>>96%49,705 psi85%2828 fps98.4%
ReloadSwiss RS 70<<locked>>96%49,443 psi84%2851 fps98%
Rottweil R 901<<locked>>82%50,502 psi86%2703 fps100%
Rottweil R 902<<locked>>86%50,343 psi86%2720 fps99.9%
Rottweil R 903<<locked>>92%52,286 psi89%2799 fps99.9%
Rottweil R 907<<locked>>94%52,750 psi90%2776 fps96.2%
Shooters World Long Rifle<<locked>>94%50,618 psi86%2749 fps97.7%
Shooters World Match Rifle<<locked>>84%50,575 psi86%2749 fps100%
Shooters World Precision<<locked>>88%51,213 psi87%2753 fps100%
Shooters World SW4350<<locked>>96%51,590 psi88%2782 fps96.8%
SNPE Vectan SP 11<<locked>>90%50,560 psi86%2802 fps99.5%
SNPE Vectan SP 7<<locked>>84%51,895 psi88%2766 fps98.5%
SNPE Vectan SP 9<<locked>>86%52,881 psi90%2795 fps99.7%
SNPE Vectan Tubal 3000<<locked>>84%51,430 psi88%2671 fps100%
SNPE Vectan Tubal 5000<<locked>>90%51,706 psi88%2671 fps100%
SNPE Vectan Tubal 7000<<locked>>94%50,618 psi86%2700 fps96.3%
Somchem S335<<locked>>84%50,821 psi87%2667 fps100%
Somchem S341<<locked>>84%51,808 psi88%2762 fps99.6%
Somchem S355<<locked>>92%52,591 psi90%2799 fps99.8%
Somchem S365ᴾ<<locked>>100%50,734 psi86%2861 fps100%
Vihtavuori N133<<locked>>84%51,793 psi88%2661 fps100%
Vihtavuori N135<<locked>>86%50,024 psi85%2694 fps100%
Vihtavuori N140<<locked>>86%50,734 psi86%2707 fps100%
Vihtavuori N150<<locked>>92%50,807 psi86%2733 fps100%
Vihtavuori N160<<locked>>96%51,866 psi88%2805 fps98.8%
Vihtavuori N530<<locked>>82%50,169 psi85%2720 fps99.9%
Vihtavuori N540<<locked>>88%52,388 psi89%2749 fps100%
Vihtavuori N550<<locked>>96%51,053 psi87%2805 fps98.6%
Vihtavuori N555ᴾ<<locked>>100%42,844 psi73%2726 fps97.9%
Winchester 6.5 StaBALL<<locked>>96%52,127 psi89%2785 fps99.9%
Winchester 748<<locked>>82%50,343 psi86%2772 fps100%
Winchester 760<<locked>>96%53,142 psi90%2864 fps97%
Winchester StaBALL HDᴾ<<locked>>100%34,954 psi60%2638 fps97.4%
Winchester StaBALL Match<<locked>>86%52,649 psi90%2802 fps99.9%

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

Start Load - Barrel Length: 22"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>80%48,646 psi83%2638 fps100%
Accurate 2495<<locked>>80%40,785 psi69%2546 fps100%
Accurate 2520<<locked>>80%48,254 psi82%2703 fps100%
Accurate 2700<<locked>>86%49,690 psi85%2687 fps95.2%
Accurate 4064<<locked>>80%38,624 psi66%2539 fps99.9%
Accurate 4350<<locked>>88%37,492 psi64%2572 fps95.7%
ADI AR 2206H<<locked>>80%44,904 psi76%2661 fps98.8%
ADI AR 2208<<locked>>80%38,145 psi65%2507 fps96.5%
ADI Benchmark 8208<<locked>>80%47,065 psi80%2674 fps99.7%
Alliant AR-Comp<<locked>>80%47,268 psi80%2661 fps100%
Alliant Power Pro 2000-MR<<locked>>80%40,799 psi69%2684 fps97.1%
Alliant Reloder- TS 15.5<<locked>>80%37,782 psi64%2530 fps98%
Alliant Reloder-15<<locked>>80%40,582 psi69%2592 fps97.4%
Alliant Reloder-16<<locked>>88%37,695 psi64%2592 fps95.9%
Alliant Reloder-1745.9 gr80%32,460 psi55%2480 fps95.6%
Alliant Reloder-23<<locked>>94%32,358 psi55%2480 fps95.3%
Alliant Reloder-26<<locked>>96%38,043 psi65%2674 fps95%
Baschieri & Pellagri 107<<locked>>80%44,179 psi75%2664 fps97.7%
Bofors RP3<<locked>>80%37,101 psi63%2523 fps97.9%
Bofors RP7<<locked>>92%49,458 psi84%2720 fps95.4%
Hodgdon Benchmark<<locked>>80%48,704 psi83%2664 fps99.9%
Hodgdon BL-C2<<locked>>80%45,759 psi78%2687 fps99.8%
Hodgdon H380<<locked>>80%38,058 psi65%2530 fps95.3%
Hodgdon H414<<locked>>92%46,282 psi79%2746 fps95.3%
Hodgdon H4895<<locked>>80%45,368 psi77%2674 fps99.2%
Hodgdon Hybrid 100V<<locked>>86%32,343 psi55%2428 fps95.7%
Hodgdon LEVERevolution<<locked>>80%41,278 psi70%2641 fps98.9%
Hodgdon TrailBoss<<locked>>80%26,165 psi45%1549 fps100%
Hodgdon VARGET<<locked>>80%43,424 psi74%2621 fps98.8%
IMR 3031<<locked>>80%45,063 psi77%2671 fps100%
IMR 4064<<locked>>80%40,030 psi68%2543 fps97.3%
IMR 4166 Enduron<<locked>>82%45,339 psi77%2621 fps95%
IMR 4350<<locked>>96%49,690 psi85%2746 fps95.5%
IMR 4451 Enduron<<locked>>90%48,486 psi83%2707 fps95.7%
IMR 4831<<locked>>88%36,318 psi62%2530 fps95.4%
IMR 4895<<locked>>80%41,597 psi71%2625 fps98.2%
IMR 8208 XBR<<locked>>80%47,065 psi80%2674 fps99.7%
Lovex D073.6<<locked>>80%43,932 psi75%2641 fps100%
Lovex S060<<locked>>80%44,918 psi76%2605 fps98.8%
Lovex S062<<locked>>80%39,842 psi68%2546 fps98.8%
Lovex S065<<locked>>88%41,989 psi71%2589 fps95.5%
Lovex S070<<locked>>92%45,324 psi77%2671 fps95.2%
Norma 201<<locked>>80%43,714 psi74%2612 fps99.4%
Norma 202<<locked>>80%44,324 psi75%2625 fps100%
Norma 203B<<locked>>80%39,929 psi68%2582 fps97.8%
Norma URP<<locked>>88%37,855 psi64%2575 fps95.6%
Ramshot Big Game<<locked>>80%39,465 psi67%2592 fps97.5%
Ramshot Hunter<<locked>>92%42,395 psi72%2677 fps95.1%
Ramshot TAC<<locked>>80%46,920 psi80%2677 fps97.1%
Ramshot Wild Boar<<locked>>80%46,572 psi79%2697 fps99%
ReloadSwiss RS 14<<locked>>80%26,513 psi45%1588 fps100%
ReloadSwiss RS 50<<locked>>84%44,092 psi75%2631 fps95.3%
ReloadSwiss RS 52<<locked>>80%42,844 psi73%2697 fps97.9%
ReloadSwiss RS 6045.9 gr80%34,621 psi59%2552 fps98.8%
ReloadSwiss RS 62<<locked>>88%37,347 psi64%2589 fps95.2%
ReloadSwiss RS 7052.5 gr90%40,393 psi69%2664 fps95.4%
Rottweil R 901<<locked>>80%47,616 psi81%2657 fps100%
Rottweil R 902<<locked>>80%41,597 psi71%2566 fps99.1%
Rottweil R 903<<locked>>80%34,954 psi60%2470 fps97%
Rottweil R 907<<locked>>92%49,458 psi84%2720 fps95.4%
Shooters World Long Rifle<<locked>>88%41,989 psi71%2589 fps95.5%
Shooters World Match Rifle<<locked>>80%43,932 psi75%2641 fps100%
Shooters World Precision<<locked>>80%39,842 psi68%2546 fps98.8%
Shooters World SW4350<<locked>>92%45,324 psi77%2671 fps95.2%
SNPE Vectan SP 11<<locked>>80%36,129 psi62%2523 fps96.5%
SNPE Vectan SP 7<<locked>>80%45,237 psi77%2651 fps97.2%
SNPE Vectan SP 9<<locked>>80%43,395 psi74%2631 fps98.5%
SNPE Vectan Tubal 3000<<locked>>80%45,237 psi77%2575 fps100%
SNPE Vectan Tubal 5000<<locked>>80%37,637 psi64%2438 fps100%
SNPE Vectan Tubal 7000<<locked>>92%47,340 psi81%2644 fps95.5%
Somchem S335<<locked>>80%44,730 psi76%2572 fps100%
Somchem S341<<locked>>80%44,976 psi77%2648 fps98.7%
Somchem S355<<locked>>80%35,795 psi61%2477 fps97%
Somchem S365<<locked>>84%29,530 psi50%2408 fps96%
Vihtavuori N133<<locked>>80%45,672 psi78%2569 fps100%
Vihtavuori N135<<locked>>80%41,220 psi70%2549 fps100%
Vihtavuori N140<<locked>>80%41,901 psi71%2559 fps100%
Vihtavuori N150<<locked>>80%34,127 psi58%2418 fps97.9%
Vihtavuori N160<<locked>>86%37,217 psi63%2530 fps95.3%
Vihtavuori N530<<locked>>80%46,949 psi80%2667 fps99.7%
Vihtavuori N540<<locked>>80%40,234 psi68%2543 fps99.9%
Vihtavuori N550<<locked>>88%39,030 psi66%2579 fps95.7%
Vihtavuori N555<<locked>>94%34,983 psi60%2556 fps95.5%
Winchester 6.5 StaBALL<<locked>>82%32,401 psi55%2395 fps95.9%
Winchester 748<<locked>>80%46,833 psi80%2713 fps99.9%
Winchester 760<<locked>>92%46,543 psi79%2749 fps95.4%
Winchester StaBALL HD<<locked>>98%32,750 psi56%2569 fps96.2%
Winchester StaBALL Match<<locked>>80%42,757 psi73%2631 fps98.8%

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 88 powders for 7 mm Exp. Rem. loaded with the .284 | 140gr | Barnes TSX BT. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,913 fps; across all powders the maximum-charge window runs from 1,736 fps to 2,913 fps. Alliant Reloder-23 gives the best case fill at 100 %, and 88 of the 88 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (405 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 140.0 gr projectile in 0.284" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Alliant Reloder-23, Alliant Reloder-26, Hodgdon Hybrid 100V 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, ReloadSwiss RS 60, Alliant Reloder-17 rank at the top here: for 7 mm Exp. Rem. with the .284 | 140gr | Barnes TSX 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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