Load Specifications
Bullet:.284 | 140gr | Barnes X S
Bullet Manufacturer:Barnes
Bullet Weight:140 gr
Bullet Diameter:0.284"
Bullet Length:<<locked>>
Caliber:7-6.5 PRCW load data
Case Length (l3):2.03"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:68 Grains of Water
Primer Size:Large Rifle (LR)
Max. allowed Pressure:64,977 psi
Recommended Twist Rate:1:10.5
Load data in caliber 7-6.5 PRCW with .284 | 140gr | Barnes X S bullet and 102 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.
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
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 58,479 psi | 90% | 2822 fps | 100% |
| Accurate 2495 | <<locked>> | 84% | 55,622 psi | 86% | 2815 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 55,709 psi | 86% | 2851 fps | 97.5% |
| Accurate 3100ᴾ | <<locked>> | 100% | 49,110 psi | 76% | 2835 fps | 98% |
| Accurate 4064 | <<locked>> | 86% | 55,782 psi | 86% | 2867 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 58,479 psi | 90% | 3005 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 84% | 57,406 psi | 88% | 2933 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 58,073 psi | 89% | 2930 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 55,405 psi | 85% | 2969 fps | 96.6% |
| ADI Benchmark 8208 | <<locked>> | 82% | 55,854 psi | 86% | 2874 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 57,508 psi | 89% | 2848 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 56,956 psi | 88% | 3051 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 55,317 psi | 85% | 2969 fps | 96.7% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 55,317 psi | 85% | 2969 fps | 96.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 55,347 psi | 85% | 2907 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 55,782 psi | 86% | 2927 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 58,334 psi | 90% | 3048 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 56,173 psi | 86% | 3031 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 54,505 psi | 84% | 2959 fps | 96.6% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 45,687 psi | 70% | 2851 fps | 99.8% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 40,567 psi | 62% | 2756 fps | 96.5% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 51,517 psi | 79% | 3031 fps | 99.6% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 56,869 psi | 88% | 2943 fps | 99.9% |
| Bofors RP3 | <<locked>> | 88% | 56,623 psi | 87% | 2927 fps | 100% |
| Bofors RP7 | <<locked>> | 92% | 55,970 psi | 86% | 2897 fps | 97.8% |
| Hodgdon Benchmark | <<locked>> | 82% | 57,217 psi | 88% | 2851 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 82% | 55,970 psi | 86% | 2910 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 56,826 psi | 87% | 2936 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 94% | 56,753 psi | 87% | 2995 fps | 98.5% |
| Hodgdon H4350 | <<locked>> | 92% | 56,724 psi | 87% | 2949 fps | 97.3% |
| Hodgdon H4895 | <<locked>> | 84% | 57,972 psi | 89% | 2940 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 58,566 psi | 90% | 2969 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 57,580 psi | 89% | 2972 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 56,942 psi | 88% | 3028 fps | 98.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,448 psi | 56% | 1798 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 55,201 psi | 85% | 2887 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 58,436 psi | 90% | 2920 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 57,725 psi | 89% | 2913 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 86% | 57,159 psi | 88% | 2890 fps | 98.4% |
| IMR 4350 | <<locked>> | 96% | 55,985 psi | 86% | 2917 fps | 97.9% |
| IMR 4451 Enduron | <<locked>> | 92% | 57,174 psi | 88% | 2920 fps | 98.4% |
| IMR 4831 | <<locked>> | 98% | 58,523 psi | 90% | 2989 fps | 99.9% |
| IMR 4895 | <<locked>> | 86% | 57,130 psi | 88% | 2956 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 55,854 psi | 86% | 2874 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 57,870 psi | 89% | 2907 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 56,260 psi | 87% | 2851 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 58,160 psi | 90% | 2910 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 57,406 psi | 88% | 2920 fps | 99.3% |
| Lovex S070 | <<locked>> | 96% | 58,552 psi | 90% | 2959 fps | 98.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 41,292 psi | 64% | 2687 fps | 96.2% |
| Norma 201 | <<locked>> | 84% | 56,391 psi | 87% | 2874 fps | 100% |
| Norma 202 | <<locked>> | 84% | 56,811 psi | 87% | 2874 fps | 100% |
| Norma 203B | <<locked>> | 88% | 58,682 psi | 90% | 2969 fps | 100% |
| Norma 204 | <<locked>> | 96% | 56,724 psi | 87% | 2972 fps | 96.8% |
| Norma MRPᴾ | <<locked>> | 100% | 50,807 psi | 78% | 2979 fps | 97.5% |
| Norma URP | <<locked>> | 96% | 56,608 psi | 87% | 2982 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 86% | 55,361 psi | 85% | 2936 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 55,317 psi | 85% | 2979 fps | 98.9% |
| Ramshot TAC | <<locked>> | 82% | 56,086 psi | 86% | 2897 fps | 99.3% |
| Ramshot Wild Boar | <<locked>> | 82% | 55,912 psi | 86% | 2913 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,927 psi | 57% | 1837 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 56,869 psi | 88% | 2917 fps | 98.9% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 56,275 psi | 87% | 2992 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 55,753 psi | 86% | 3028 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 57,696 psi | 89% | 3022 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 56,507 psi | 87% | 3048 fps | 99.7% |
| Rottweil R 901 | <<locked>> | 82% | 57,812 psi | 89% | 2858 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 57,203 psi | 88% | 2877 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 56,420 psi | 87% | 2917 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 57,246 psi | 88% | 2940 fps | 95.8% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 53,432 psi | 82% | 2943 fps | 96.6% |
| Rottweil R 907 | <<locked>> | 92% | 55,970 psi | 86% | 2897 fps | 97.8% |
| Shooters World Long Rifle | <<locked>> | 94% | 57,406 psi | 88% | 2920 fps | 99.3% |
| Shooters World Match Rifle | <<locked>> | 84% | 57,870 psi | 89% | 2907 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 58,160 psi | 90% | 2910 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 58,552 psi | 90% | 2959 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 57,595 psi | 89% | 2976 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 55,027 psi | 85% | 2877 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 55,506 psi | 85% | 2897 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 57,217 psi | 88% | 2805 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 57,479 psi | 88% | 2802 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 57,580 psi | 89% | 2874 fps | 98.5% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 52,924 psi | 81% | 2936 fps | 96.5% |
| Somchem S335 | <<locked>> | 84% | 56,811 psi | 87% | 2805 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 58,001 psi | 89% | 2917 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 56,521 psi | 87% | 2917 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 55,027 psi | 85% | 2986 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 54,607 psi | 84% | 2927 fps | 97.6% |
| Vihtavuori N133 | <<locked>> | 84% | 57,406 psi | 88% | 2789 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 57,072 psi | 88% | 2838 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 57,188 psi | 88% | 2851 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 57,696 psi | 89% | 2887 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 55,506 psi | 85% | 2923 fps | 99.7% |
| Vihtavuori N530 | <<locked>> | 82% | 56,333 psi | 87% | 2874 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 58,740 psi | 90% | 2894 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 58,175 psi | 90% | 2982 fps | 99.8% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 51,184 psi | 79% | 2936 fps | 99.8% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 54,940 psi | 85% | 2894 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 56,710 psi | 87% | 2923 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 56,753 psi | 87% | 2995 fps | 98.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 41,408 psi | 64% | 2890 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 55,724 psi | 86% | 2910 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 55,100 psi | 85% | 2776 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 49,327 psi | 76% | 2723 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 46,427 psi | 71% | 2690 fps | 95.5% |
| Accurate 3100 | <<locked>> | 92% | 38,029 psi | 59% | 2621 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 46,630 psi | 72% | 2726 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 35,085 psi | 54% | 2569 fps | 96.1% |
| ADI AR 2206H | <<locked>> | 80% | 50,865 psi | 78% | 2828 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 80% | 43,381 psi | 67% | 2677 fps | 98.7% |
| ADI AR 2209 | <<locked>> | 96% | 48,921 psi | 75% | 2854 fps | 95.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 52,707 psi | 81% | 2825 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 54,070 psi | 83% | 2802 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 46,775 psi | 72% | 2877 fps | 99.3% |
| Alliant Power Pro Varmint | <<locked>> | 96% | 48,863 psi | 75% | 2858 fps | 95.2% |
| Alliant Power Pro Varmint | <<locked>> | 96% | 48,863 psi | 75% | 2858 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 43,801 psi | 67% | 2707 fps | 99.7% |
| Alliant Reloder-15 | <<locked>> | 80% | 46,615 psi | 72% | 2769 fps | 99.3% |
| Alliant Reloder-16 | <<locked>> | 80% | 34,200 psi | 53% | 2566 fps | 95.9% |
| Alliant Reloder-17 | 47.7 gr | 80% | 38,087 psi | 59% | 2690 fps | 98.8% |
| Alliant Reloder-19 | <<locked>> | 96% | 48,283 psi | 74% | 2848 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 84% | 28,776 psi | 44% | 2434 fps | 95.1% |
| Alliant Reloder-25 | <<locked>> | 98% | 38,189 psi | 59% | 2697 fps | 95.6% |
| Alliant Reloder-26 | <<locked>> | 88% | 34,766 psi | 54% | 2661 fps | 95.2% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 50,256 psi | 77% | 2838 fps | 99.4% |
| Bofors RP3 | <<locked>> | 80% | 44,135 psi | 68% | 2720 fps | 99.7% |
| Bofors RP7 | <<locked>> | 84% | 44,150 psi | 68% | 2684 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 54,085 psi | 83% | 2805 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 52,591 psi | 81% | 2858 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 44,454 psi | 68% | 2720 fps | 98.1% |
| Hodgdon H414 | <<locked>> | 84% | 41,321 psi | 64% | 2710 fps | 95.1% |
| Hodgdon H4350 | <<locked>> | 86% | 47,137 psi | 73% | 2782 fps | 95.2% |
| Hodgdon H4895 | <<locked>> | 80% | 51,387 psi | 79% | 2838 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 31,908 psi | 49% | 2470 fps | 96.9% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 47,514 psi | 73% | 2815 fps | 100% |
| Hodgdon Superformance | <<locked>> | 86% | 43,337 psi | 67% | 2779 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,195 psi | 42% | 1604 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 49,066 psi | 76% | 2785 fps | 99.9% |
| IMR 3031 | <<locked>> | 80% | 51,692 psi | 80% | 2825 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 45,614 psi | 70% | 2713 fps | 99.2% |
| IMR 4166 Enduron | <<locked>> | 80% | 47,601 psi | 73% | 2726 fps | 96.7% |
| IMR 4350 | <<locked>> | 88% | 44,251 psi | 68% | 2710 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 82% | 42,757 psi | 66% | 2657 fps | 95.3% |
| IMR 4831 | <<locked>> | 80% | 33,707 psi | 52% | 2520 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 47,747 psi | 73% | 2802 fps | 99.7% |
| IMR 8208 XBR | <<locked>> | 80% | 52,707 psi | 81% | 2825 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 51,126 psi | 79% | 2808 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 50,154 psi | 77% | 2753 fps | 99.8% |
| Lovex S062 | <<locked>> | 80% | 46,122 psi | 71% | 2720 fps | 99.9% |
| Lovex S065 | <<locked>> | 80% | 38,319 psi | 59% | 2566 fps | 95.6% |
| Lovex S070 | <<locked>> | 84% | 41,263 psi | 64% | 2651 fps | 95.3% |
| Lovex S071 | <<locked>> | 98% | 38,870 psi | 60% | 2638 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 50,227 psi | 77% | 2779 fps | 100% |
| Norma 202 | <<locked>> | 80% | 50,517 psi | 78% | 2779 fps | 100% |
| Norma 203B | <<locked>> | 80% | 46,006 psi | 71% | 2759 fps | 99.5% |
| Norma 204 | <<locked>> | 92% | 49,748 psi | 77% | 2851 fps | 95.2% |
| Norma MRP | <<locked>> | 94% | 42,163 psi | 65% | 2805 fps | 95% |
| Norma URP | <<locked>> | 80% | 34,664 psi | 53% | 2556 fps | 95.8% |
| Ramshot Big Game | <<locked>> | 80% | 45,730 psi | 70% | 2772 fps | 99.4% |
| Ramshot Hunter | <<locked>> | 84% | 38,029 psi | 59% | 2644 fps | 95% |
| Ramshot TAC | <<locked>> | 80% | 52,750 psi | 81% | 2841 fps | 98.9% |
| Ramshot Wild Boar | <<locked>> | 80% | 52,504 psi | 81% | 2858 fps | 99.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,702 psi | 43% | 1644 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 44,324 psi | 68% | 2697 fps | 96.6% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 49,559 psi | 76% | 2884 fps | 99.6% |
| ReloadSwiss RS 60 | 47.7 gr | 80% | 40,306 psi | 62% | 2753 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 34,374 psi | 53% | 2575 fps | 95.4% |
| ReloadSwiss RS 70 | 49.7 gr | 82% | 36,013 psi | 55% | 2628 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 54,607 psi | 84% | 2812 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 48,109 psi | 74% | 2733 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 41,669 psi | 64% | 2667 fps | 99.4% |
| Rottweil R 904 | <<locked>> | 98% | 53,940 psi | 83% | 2890 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 96% | 47,282 psi | 73% | 2835 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 84% | 44,150 psi | 68% | 2684 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,319 psi | 59% | 2566 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 51,126 psi | 79% | 2808 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 46,122 psi | 71% | 2720 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 84% | 41,263 psi | 64% | 2651 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 42,032 psi | 65% | 2707 fps | 98.9% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 51,648 psi | 79% | 2822 fps | 99.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 49,226 psi | 76% | 2795 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 50,734 psi | 78% | 2713 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 42,844 psi | 66% | 2582 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 42,467 psi | 65% | 2612 fps | 95.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 46,833 psi | 72% | 2828 fps | 95% |
| Somchem S335 | <<locked>> | 80% | 50,705 psi | 78% | 2717 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 51,155 psi | 79% | 2812 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 42,047 psi | 65% | 2664 fps | 99.3% |
| Somchem S365 | <<locked>> | 80% | 31,589 psi | 49% | 2520 fps | 98.2% |
| Somchem S385 | <<locked>> | 94% | 45,223 psi | 70% | 2762 fps | 95.5% |
| Vihtavuori N133 | <<locked>> | 80% | 51,053 psi | 79% | 2700 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 47,601 psi | 73% | 2703 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 47,747 psi | 73% | 2710 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 40,016 psi | 62% | 2595 fps | 99.7% |
| Vihtavuori N160 | <<locked>> | 80% | 35,969 psi | 55% | 2556 fps | 96.2% |
| Vihtavuori N530 | <<locked>> | 80% | 53,084 psi | 82% | 2825 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 46,267 psi | 71% | 2707 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 35,665 psi | 55% | 2559 fps | 95.9% |
| Vihtavuori N555 | <<locked>> | 84% | 31,256 psi | 48% | 2516 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 35,433 psi | 55% | 2530 fps | 98.2% |
| Winchester 748 | <<locked>> | 80% | 53,171 psi | 82% | 2871 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 41,510 psi | 64% | 2713 fps | 95.2% |
| Winchester StaBALL HD | <<locked>> | 88% | 29,022 psi | 45% | 2520 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 49,066 psi | 76% | 2805 fps | 99.9% |
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.
This overview compares 102 powders for 7-6.5 PRCW loaded with the .284 | 140gr | Barnes X S. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,051 fps; across all powders the maximum-charge window runs from 1,798 fps to 3,051 fps. Accurate 3100 gives the best case fill at 100 %, and 102 of the 102 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 56–90 %, 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. Accurate 3100, ADI AR 2209, Alliant Power Pro Varmint 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 7-6.5 PRCW with the .284 | 140gr | Barnes X S 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.