Load data for 7 mm Exp. Rem. + .284 | 120gr | Barnes TTSX BT

7 mm Exp. Rem. cartridge drawing
Barnes logo

Load Specifications

Bullet Manufacturer:Barnes
Bullet Weight:120 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:1:11.0

Load data in caliber 7 mm Exp. Rem. with .284 | 120gr | Barnes TTSX BT bullet and 82 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Reloder-17 and Alliant Power Pro 2000-MR.

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>>84%49,763 psi85%2864 fps100%
Accurate 2460<<locked>>82%51,343 psi87%2930 fps100%
Accurate 2495<<locked>>90%50,705 psi86%2920 fps100%
Accurate 2520<<locked>>84%49,734 psi85%2933 fps99.9%
Accurate 4064<<locked>>92%50,778 psi86%2963 fps100%
Accurate 4350ᴾ<<locked>>100%50,256 psi86%3012 fps97.3%
ADI AR 2206H<<locked>>88%52,489 psi89%2999 fps98.8%
ADI AR 2208<<locked>>92%50,314 psi86%2936 fps97.9%
ADI Benchmark 8208<<locked>>86%51,430 psi88%2949 fps99.4%
Alliant AR-Comp<<locked>>86%51,590 psi88%2946 fps100%
Alliant Power Pro 2000-MR<<locked>>90%51,779 psi88%3097 fps98.1%
Alliant Reloder- TS 15.5<<locked>>94%52,866 psi90%3012 fps99.4%
Alliant Reloder-10x<<locked>>82%52,924 psi90%2923 fps100%
Alliant Reloder-15<<locked>>90%50,415 psi86%2976 fps98.1%
Alliant Reloder-16ᴾ<<locked>>100%49,400 psi84%3025 fps97.5%
Alliant Reloder-17<<locked>>96%50,169 psi85%3064 fps99%
Baschieri & Pellagri 107<<locked>>88%52,286 psi89%3002 fps97.9%
Bofors RP3<<locked>>94%53,127 psi90%3022 fps99.5%
Hodgdon Benchmark<<locked>>84%50,270 psi86%2890 fps99.6%
Hodgdon BL-C2<<locked>>86%50,604 psi86%2976 fps99.6%
Hodgdon CFE223<<locked>>84%52,112 psi89%3064 fps98.3%
Hodgdon H322<<locked>>82%52,127 psi89%2959 fps100%
Hodgdon H335<<locked>>82%53,011 psi90%2979 fps100%
Hodgdon H380<<locked>>92%51,198 psi87%2976 fps97%
Hodgdon H4895<<locked>>88%52,968 psi90%3009 fps99.2%
Hodgdon Hybrid 100Vᴾ<<locked>>100%45,324 psi77%2894 fps98%
Hodgdon LEVERevolution<<locked>>90%51,924 psi88%3035 fps99.4%
Hodgdon TrailBossᴾ<<locked>>100%34,838 psi59%1870 fps100%
Hodgdon VARGET<<locked>>88%50,937 psi87%2956 fps98.9%
IMR 3031<<locked>>88%52,272 psi89%3002 fps100%
IMR 4064<<locked>>92%52,939 psi90%2976 fps98.5%
IMR 4198<<locked>>82%53,098 psi90%2887 fps100%
IMR 4831ᴾ<<locked>>100%47,674 psi81%2946 fps96.9%
IMR 4895<<locked>>90%51,677 psi88%3012 fps98.8%
IMR 8208 XBR<<locked>>86%51,430 psi88%2949 fps99.4%
Lovex D073.5<<locked>>82%51,155 psi87%2933 fps99.8%
Lovex D073.6<<locked>>88%51,358 psi87%2969 fps100%
Lovex S060<<locked>>88%52,330 psi89%2927 fps98.8%
Lovex S062<<locked>>92%52,388 psi89%2976 fps99.6%
Lovex S065<<locked>>98%51,547 psi88%2953 fps96.2%
Norma 201<<locked>>88%50,966 psi87%2940 fps99.4%
Norma 202<<locked>>88%51,634 psi88%2956 fps100%
Norma 203B<<locked>>92%52,895 psi90%3022 fps98.9%
Norma URPᴾ<<locked>>100%49,908 psi85%3005 fps97.2%
Ramshot Big Game<<locked>>90%49,777 psi85%2982 fps98.3%
Ramshot TAC<<locked>>86%52,112 psi89%2956 fps96.5%
Ramshot Wild Boar<<locked>>86%51,285 psi87%2976 fps98.6%
Ramshot X-Terminator<<locked>>84%52,736 psi90%2953 fps98.7%
ReloadSwiss RS 14ᴾ<<locked>>100%34,983 psi60%1913 fps100%
ReloadSwiss RS 40<<locked>>82%51,010 psi87%2936 fps99.9%
ReloadSwiss RS 52<<locked>>88%49,995 psi85%3031 fps97.9%
ReloadSwiss RS 60<<locked>>94%49,879 psi85%3074 fps100%
ReloadSwiss RS 62ᴾ<<locked>>100%50,285 psi86%3035 fps97.1%
ReloadSwiss RS 70ᴾ<<locked>>100%50,792 psi86%3054 fps96.5%
Rottweil R 901<<locked>>86%51,924 psi88%2936 fps100%
Rottweil R 902<<locked>>90%51,503 psi88%2940 fps99.4%
Rottweil R 903<<locked>>96%52,982 psi90%3015 fps99.3%
Shooters World Long Rifle<<locked>>98%51,547 psi88%2953 fps96.2%
Shooters World Match Rifle<<locked>>88%51,358 psi87%2969 fps100%
Shooters World Precision<<locked>>92%52,388 psi89%2976 fps99.6%
SNPE Vectan SP 11<<locked>>94%51,677 psi88%3022 fps98.6%
SNPE Vectan SP 7<<locked>>86%49,951 psi85%2923 fps96.6%
SNPE Vectan SP 9<<locked>>88%50,720 psi86%2959 fps98.5%
SNPE Vectan Tubal 3000<<locked>>88%52,939 psi90%2900 fps100%
SNPE Vectan Tubal 5000<<locked>>94%52,794 psi90%2890 fps100%
Somchem S321<<locked>>84%52,663 psi90%2986 fps99.7%
Somchem S335<<locked>>88%52,170 psi89%2894 fps100%
Somchem S341<<locked>>86%49,748 psi85%2923 fps98.3%
Somchem S355<<locked>>94%50,125 psi85%2956 fps98.8%
Somchem S365ᴾ<<locked>>100%44,396 psi76%2946 fps99%
Vihtavuori N130<<locked>>84%52,707 psi90%2871 fps100%
Vihtavuori N133<<locked>>88%53,084 psi90%2890 fps100%
Vihtavuori N135<<locked>>90%50,952 psi87%2923 fps100%
Vihtavuori N140<<locked>>90%51,982 psi88%2930 fps100%
Vihtavuori N150<<locked>>96%51,721 psi88%2946 fps99.7%
Vihtavuori N160ᴾ<<locked>>100%52,591 psi90%3012 fps97.6%
Vihtavuori N530<<locked>>86%52,098 psi89%2953 fps99.5%
Vihtavuori N540<<locked>>90%50,183 psi85%2920 fps100%
Vihtavuori N550ᴾ<<locked>>100%51,590 psi88%3012 fps97.3%
Winchester 6.5 StaBALL<<locked>>98%50,053 psi85%2936 fps99%
Winchester 748<<locked>>86%51,590 psi88%2999 fps99.8%
Winchester StaBALL Match<<locked>>88%50,488 psi86%2966 fps98.9%

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%43,816 psi75%2762 fps100%
Accurate 2460<<locked>>80%47,819 psi81%2867 fps99.9%
Accurate 2495<<locked>>80%36,071 psi61%2648 fps99.9%
Accurate 2520<<locked>>80%43,004 psi73%2808 fps99.3%
Accurate 4064<<locked>>80%34,113 psi58%2625 fps98.3%
Accurate 4350<<locked>>96%43,540 psi74%2884 fps95.7%
ADI AR 2206H<<locked>>80%40,335 psi69%2756 fps96.2%
ADI AR 2208<<locked>>86%41,495 psi71%2762 fps95.7%
ADI Benchmark 8208<<locked>>80%42,438 psi72%2779 fps98%
Alliant AR-Comp<<locked>>80%42,047 psi72%2792 fps100%
Alliant Power Pro 2000-MR49.6 gr84%42,105 psi72%2894 fps95.5%
Alliant Reloder- TS 15.5<<locked>>82%35,839 psi61%2667 fps95.7%
Alliant Reloder-10x<<locked>>80%49,559 psi84%2871 fps100%
Alliant Reloder-15<<locked>>84%41,234 psi70%2795 fps95.8%
Alliant Reloder-16<<locked>>96%43,424 psi74%2897 fps95.7%
Alliant Reloder-1751.1 gr88%37,942 psi65%2795 fps95.7%
Baschieri & Pellagri 107<<locked>>82%42,424 psi72%2815 fps95.5%
Bofors RP3<<locked>>82%35,114 psi60%2661 fps95.6%
Hodgdon Benchmark<<locked>>80%44,309 psi75%2779 fps98.8%
Hodgdon BL-C2<<locked>>80%40,843 psi70%2789 fps98.2%
Hodgdon CFE223<<locked>>80%45,049 psi77%2930 fps96.9%
Hodgdon H322<<locked>>80%48,747 psi83%2904 fps100%
Hodgdon H335<<locked>>80%49,734 psi85%2927 fps100%
Hodgdon H380<<locked>>88%44,585 psi76%2851 fps95.4%
Hodgdon H4895<<locked>>80%40,640 psi69%2769 fps96.9%
Hodgdon Hybrid 100V<<locked>>94%37,246 psi63%2720 fps95.6%
Hodgdon LEVERevolution<<locked>>80%36,666 psi62%2723 fps96.1%
Hodgdon TrailBoss<<locked>>80%25,672 psi44%1670 fps100%
Hodgdon VARGET<<locked>>80%39,291 psi67%2723 fps96.4%
IMR 3031<<locked>>80%39,842 psi68%2779 fps99.9%
IMR 4064<<locked>>82%38,421 psi65%2690 fps95%
IMR 4198<<locked>>80%49,995 psi85%2841 fps100%
IMR 4831<<locked>>96%41,655 psi71%2828 fps95.2%
IMR 4895<<locked>>80%36,970 psi63%2707 fps95.1%
IMR 8208 XBR<<locked>>80%42,438 psi72%2779 fps98%
Lovex D073.5<<locked>>80%47,630 psi81%2871 fps99.5%
Lovex D073.6<<locked>>80%39,001 psi66%2736 fps98.6%
Lovex S060<<locked>>80%40,843 psi70%2703 fps96.4%
Lovex S062<<locked>>80%35,621 psi61%2635 fps96.2%
Lovex S065<<locked>>96%48,385 psi82%2894 fps95.4%
Norma 201<<locked>>80%39,523 psi67%2717 fps97.4%
Norma 202<<locked>>80%39,668 psi68%2730 fps99.2%
Norma 203B<<locked>>82%37,956 psi65%2723 fps95.4%
Norma URP<<locked>>96%43,613 psi74%2884 fps95.5%
Ramshot Big Game<<locked>>82%37,637 psi64%2730 fps95%
Ramshot TAC<<locked>>84%48,704 psi83%2894 fps95.7%
Ramshot Wild Boar<<locked>>80%41,829 psi71%2792 fps96.5%
Ramshot X-Terminator<<locked>>80%46,064 psi78%2828 fps97.5%
ReloadSwiss RS 14<<locked>>80%25,889 psi44%1709 fps100%
ReloadSwiss RS 40<<locked>>80%47,819 psi81%2877 fps99.7%
ReloadSwiss RS 52<<locked>>82%40,364 psi69%2838 fps95.4%
ReloadSwiss RS 6046.5 gr80%30,893 psi53%2608 fps95.1%
ReloadSwiss RS 62<<locked>>96%43,352 psi74%2904 fps95.2%
ReloadSwiss RS 70<<locked>>98%47,297 psi81%2982 fps95.4%
Rottweil R 901<<locked>>80%43,047 psi73%2772 fps99.5%
Rottweil R 902<<locked>>80%37,362 psi64%2657 fps96.7%
Rottweil R 903<<locked>>84%35,244 psi60%2654 fps95.2%
Shooters World Long Rifle<<locked>>96%48,385 psi82%2894 fps95.4%
Shooters World Match Rifle<<locked>>80%39,001 psi66%2736 fps98.6%
Shooters World Precision<<locked>>80%35,621 psi61%2635 fps96.2%
SNPE Vectan SP 11<<locked>>86%39,349 psi67%2779 fps95.7%
SNPE Vectan SP 7<<locked>>84%46,499 psi79%2861 fps95.8%
SNPE Vectan SP 9<<locked>>80%39,044 psi66%2723 fps95.7%
SNPE Vectan Tubal 3000<<locked>>80%41,046 psi70%2687 fps99.4%
SNPE Vectan Tubal 5000<<locked>>80%33,808 psi58%2533 fps98.8%
Somchem S321<<locked>>80%45,847 psi78%2861 fps98.9%
Somchem S335<<locked>>80%40,683 psi69%2690 fps99.7%
Somchem S341<<locked>>80%40,277 psi69%2740 fps96.1%
Somchem S355<<locked>>84%36,318 psi62%2667 fps95.4%
Somchem S365<<locked>>92%33,968 psi58%2700 fps95.9%
Vihtavuori N130<<locked>>80%46,572 psi79%2776 fps100%
Vihtavuori N133<<locked>>80%41,307 psi70%2694 fps100%
Vihtavuori N135<<locked>>80%36,579 psi62%2657 fps99.9%
Vihtavuori N140<<locked>>80%37,434 psi64%2657 fps99.1%
Vihtavuori N150<<locked>>82%32,329 psi55%2546 fps95.5%
Vihtavuori N160<<locked>>94%43,004 psi73%2835 fps95.3%
Vihtavuori N530<<locked>>80%42,467 psi72%2772 fps98.1%
Vihtavuori N540<<locked>>80%36,129 psi62%2641 fps98.4%
Vihtavuori N550<<locked>>96%44,991 psi77%2887 fps95.7%
Winchester 6.5 StaBALL<<locked>>88%35,665 psi61%2638 fps95.1%
Winchester 748<<locked>>80%41,800 psi71%2815 fps98.6%
Winchester StaBALL Match<<locked>>80%38,189 psi65%2720 fps96.2%

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 101 powders for 7 mm Exp. Rem. loaded with the .284 | 120gr | Barnes TTSX BT. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,097 fps; across all powders the maximum-charge window runs from 1,870 fps to 3,097 fps. Accurate 4350 gives the best case fill at 100 %, and 101 of the 101 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (405 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 120.0 gr projectile in 0.284" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-23 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 60, Alliant Reloder-17, Alliant Power Pro 2000-MR rank at the top here: for 7 mm Exp. Rem. with the .284 | 120gr | Barnes TTSX BT they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2700, Alliant Reloder-23, Alliant Reloder-26 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.

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