
Load Specifications
Load data in caliber .284 Win. with .284 | 168gr | Nosler Custom Competition bullet and 108 powders. The key underlying parameters are shown in the table above.
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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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 57,101 psi | 89% | 2523 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 56,565 psi | 89% | 2556 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 57,653 psi | 90% | 2615 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 54,665 psi | 86% | 2572 fps | 98.5% |
| Accurate 3100ᴾ | <<locked>> | 100% | 46,905 psi | 74% | 2549 fps | 98.7% |
| Accurate 4064 | <<locked>> | 88% | 56,376 psi | 88% | 2602 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 56,855 psi | 89% | 2703 fps | 100% |
| Accurate High Countryᴾ | <<locked>> | 100% | 51,039 psi | 80% | 2726 fps | 96.5% |
| ADI AR 2206H | <<locked>> | 84% | 56,188 psi | 88% | 2631 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 57,174 psi | 90% | 2635 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 54,273 psi | 85% | 2687 fps | 97.8% |
| ADI Benchmark 8208 | <<locked>> | 82% | 55,056 psi | 86% | 2582 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 56,449 psi | 88% | 2549 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 55,985 psi | 88% | 2753 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 57,696 psi | 90% | 2657 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 54,563 psi | 86% | 2631 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 57,537 psi | 90% | 2753 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 55,085 psi | 86% | 2730 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 53,345 psi | 84% | 2677 fps | 97.8% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 47,094 psi | 74% | 2625 fps | 96.7% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 44,280 psi | 69% | 2572 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 38,856 psi | 61% | 2487 fps | 97.7% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 50,067 psi | 78% | 2743 fps | 99.9% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 55,883 psi | 88% | 2651 fps | 100% |
| Bofors RP3 | <<locked>> | 88% | 54,853 psi | 86% | 2625 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 47,094 psi | 74% | 2625 fps | 96.7% |
| Bofors RP7 | <<locked>> | 92% | 54,607 psi | 86% | 2608 fps | 98.7% |
| Hodgdon Benchmark | <<locked>> | 82% | 56,246 psi | 88% | 2559 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 82% | 54,636 psi | 86% | 2612 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 55,564 psi | 87% | 2644 fps | 100% |
| Hodgdon H414 | <<locked>> | 94% | 55,506 psi | 87% | 2700 fps | 99.3% |
| Hodgdon H4350 | <<locked>> | 92% | 55,956 psi | 88% | 2667 fps | 98.4% |
| Hodgdon H4895 | <<locked>> | 84% | 56,811 psi | 89% | 2641 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 57,435 psi | 90% | 2674 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 56,434 psi | 88% | 2674 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 55,608 psi | 87% | 2740 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,100 psi | 57% | 1591 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 54,520 psi | 85% | 2598 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 57,435 psi | 90% | 2618 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 56,681 psi | 89% | 2618 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 86% | 56,115 psi | 88% | 2605 fps | 99.2% |
| IMR 4350 | <<locked>> | 96% | 55,013 psi | 86% | 2638 fps | 98.8% |
| IMR 4451 Enduron | <<locked>> | 92% | 56,362 psi | 88% | 2635 fps | 99.2% |
| IMR 4831 | <<locked>> | 98% | 57,188 psi | 90% | 2694 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 55,985 psi | 88% | 2657 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 53,983 psi | 85% | 2621 fps | 96% |
| IMR 8208 XBR | <<locked>> | 82% | 55,056 psi | 86% | 2582 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 56,347 psi | 88% | 2608 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 55,201 psi | 87% | 2559 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 56,724 psi | 89% | 2612 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 55,927 psi | 88% | 2628 fps | 99.8% |
| Lovex S070 | <<locked>> | 96% | 56,942 psi | 89% | 2664 fps | 99.4% |
| Lovex S071ᴾ | <<locked>> | 100% | 38,899 psi | 61% | 2411 fps | 97.1% |
| Norma 201 | <<locked>> | 84% | 55,056 psi | 86% | 2582 fps | 100% |
| Norma 202 | <<locked>> | 84% | 55,564 psi | 87% | 2579 fps | 100% |
| Norma 203B | <<locked>> | 88% | 57,232 psi | 90% | 2664 fps | 100% |
| Norma 204 | <<locked>> | 96% | 55,796 psi | 87% | 2687 fps | 97.9% |
| Norma MRPᴾ | <<locked>> | 100% | 49,574 psi | 78% | 2700 fps | 98.5% |
| Norma URP | <<locked>> | 96% | 55,303 psi | 87% | 2687 fps | 100% |
| Ramshot Big Game | <<locked>> | 86% | 54,201 psi | 85% | 2641 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 54,273 psi | 85% | 2694 fps | 99.6% |
| Ramshot TAC | <<locked>> | 82% | 54,911 psi | 86% | 2608 fps | 99.8% |
| Ramshot Wild Boar | <<locked>> | 82% | 54,824 psi | 86% | 2621 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,608 psi | 57% | 1627 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 55,535 psi | 87% | 2628 fps | 99.5% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 55,390 psi | 87% | 2697 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 54,940 psi | 86% | 2726 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 56,362 psi | 88% | 2726 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 55,100 psi | 86% | 2753 fps | 100% |
| Rottweil R 901 | <<locked>> | 82% | 55,898 psi | 88% | 2556 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 55,376 psi | 87% | 2575 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 54,679 psi | 86% | 2618 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 56,275 psi | 88% | 2661 fps | 97% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 52,286 psi | 82% | 2661 fps | 97.7% |
| Rottweil R 907 | <<locked>> | 92% | 54,607 psi | 86% | 2608 fps | 98.7% |
| Shooters World Long Rifle | <<locked>> | 94% | 55,927 psi | 88% | 2628 fps | 99.8% |
| Shooters World Match Rifle | <<locked>> | 84% | 56,347 psi | 88% | 2608 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 56,724 psi | 89% | 2612 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 56,942 psi | 89% | 2664 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 56,347 psi | 88% | 2677 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 57,450 psi | 90% | 2641 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 54,607 psi | 86% | 2608 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 56,173 psi | 88% | 2513 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 56,739 psi | 89% | 2516 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 56,159 psi | 88% | 2589 fps | 99.2% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 51,793 psi | 81% | 2654 fps | 97.6% |
| Somchem S335 | <<locked>> | 84% | 55,724 psi | 87% | 2513 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 56,956 psi | 89% | 2625 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 54,839 psi | 86% | 2615 fps | 100% |
| Somchem S361 | <<locked>> | 98% | 54,360 psi | 85% | 2605 fps | 95.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 57,638 psi | 90% | 2733 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 53,258 psi | 83% | 2644 fps | 98.5% |
| Vihtavuori N133 | <<locked>> | 84% | 56,579 psi | 89% | 2497 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 55,506 psi | 87% | 2539 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 55,941 psi | 88% | 2556 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 56,159 psi | 88% | 2592 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 54,418 psi | 85% | 2638 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 45,745 psi | 72% | 2513 fps | 96.7% |
| Vihtavuori N530 | <<locked>> | 82% | 55,317 psi | 87% | 2579 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 57,682 psi | 90% | 2602 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 56,739 psi | 89% | 2687 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 49,298 psi | 77% | 2641 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 54,041 psi | 85% | 2612 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 55,695 psi | 87% | 2628 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 55,869 psi | 88% | 2707 fps | 99.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 39,885 psi | 63% | 2612 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 54,476 psi | 85% | 2615 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 49,893 psi | 78% | 2585 fps | 96.9% |
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 53,664 psi | 84% | 2480 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 46,644 psi | 73% | 2428 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 54,172 psi | 85% | 2572 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 44,933 psi | 70% | 2418 fps | 96.7% |
| Accurate 3100 | <<locked>> | 90% | 33,402 psi | 52% | 2297 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 44,135 psi | 69% | 2431 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 32,953 psi | 52% | 2297 fps | 97% |
| Accurate High Country | <<locked>> | 98% | 47,529 psi | 74% | 2667 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 49,676 psi | 78% | 2539 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 42,235 psi | 66% | 2405 fps | 99.4% |
| ADI AR 2209 | <<locked>> | 94% | 44,846 psi | 70% | 2533 fps | 95.7% |
| ADI Benchmark 8208 | <<locked>> | 80% | 51,793 psi | 81% | 2539 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 52,837 psi | 83% | 2507 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 45,600 psi | 71% | 2592 fps | 99.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 42,206 psi | 66% | 2428 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 45,295 psi | 71% | 2490 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 32,793 psi | 51% | 2306 fps | 97.1% |
| Alliant Reloder-17 | <<locked>> | 80% | 36,564 psi | 57% | 2418 fps | 99.4% |
| Alliant Reloder-19 | <<locked>> | 94% | 44,295 psi | 69% | 2526 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 96% | 41,220 psi | 65% | 2513 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 82% | 25,425 psi | 40% | 2133 fps | 95.2% |
| Alliant Reloder-25 | <<locked>> | 94% | 32,329 psi | 51% | 2333 fps | 95% |
| Alliant Reloder-26 | <<locked>> | 86% | 30,676 psi | 48% | 2336 fps | 95.4% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 48,878 psi | 77% | 2549 fps | 99.8% |
| Bofors RP3 | <<locked>> | 80% | 42,148 psi | 66% | 2434 fps | 100% |
| Bofors RP5 | <<locked>> | 96% | 41,220 psi | 65% | 2513 fps | 95% |
| Bofors RP7 | <<locked>> | 82% | 40,059 psi | 63% | 2362 fps | 95.6% |
| Hodgdon Benchmark | <<locked>> | 80% | 52,968 psi | 83% | 2516 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 51,010 psi | 80% | 2562 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 42,627 psi | 67% | 2441 fps | 98.8% |
| Hodgdon H414 | <<locked>> | 82% | 37,492 psi | 59% | 2392 fps | 95.6% |
| Hodgdon H4350 | <<locked>> | 82% | 40,582 psi | 64% | 2408 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 50,241 psi | 79% | 2549 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,182 psi | 47% | 2211 fps | 97.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 46,470 psi | 73% | 2533 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 39,088 psi | 61% | 2451 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,992 psi | 42% | 1421 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 47,848 psi | 75% | 2500 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 50,386 psi | 79% | 2530 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 44,411 psi | 70% | 2434 fps | 99.7% |
| IMR 4166 Enduron | <<locked>> | 80% | 46,760 psi | 73% | 2461 fps | 97.8% |
| IMR 4350 | <<locked>> | 84% | 38,029 psi | 60% | 2346 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 80% | 39,102 psi | 61% | 2346 fps | 95.8% |
| IMR 4831 | <<locked>> | 80% | 31,865 psi | 50% | 2257 fps | 96.7% |
| IMR 4895 | <<locked>> | 80% | 46,456 psi | 73% | 2516 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 50,778 psi | 80% | 2572 fps | 95.3% |
| IMR 8208 XBR | <<locked>> | 80% | 51,793 psi | 81% | 2539 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 49,371 psi | 77% | 2516 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 49,139 psi | 77% | 2474 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 44,541 psi | 70% | 2434 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 36,622 psi | 57% | 2300 fps | 96.7% |
| Lovex S070 | <<locked>> | 82% | 36,970 psi | 58% | 2326 fps | 95.6% |
| Lovex S071 | <<locked>> | 96% | 34,272 psi | 54% | 2316 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 48,602 psi | 76% | 2490 fps | 100% |
| Norma 202 | <<locked>> | 80% | 49,037 psi | 77% | 2487 fps | 100% |
| Norma 203B | <<locked>> | 80% | 44,672 psi | 70% | 2477 fps | 99.9% |
| Norma 204 | <<locked>> | 88% | 42,714 psi | 67% | 2474 fps | 95% |
| Norma MRP | <<locked>> | 92% | 37,942 psi | 59% | 2477 fps | 95.4% |
| Norma URP | <<locked>> | 80% | 32,996 psi | 52% | 2293 fps | 96.9% |
| Ramshot Big Game | <<locked>> | 80% | 44,382 psi | 70% | 2493 fps | 99.8% |
| Ramshot Hunter | <<locked>> | 82% | 34,243 psi | 54% | 2329 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 51,416 psi | 81% | 2556 fps | 99.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 51,314 psi | 80% | 2572 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,267 psi | 43% | 1450 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 42,989 psi | 67% | 2428 fps | 97.6% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 48,327 psi | 76% | 2592 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 38,885 psi | 61% | 2470 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 32,503 psi | 51% | 2310 fps | 96.5% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 32,184 psi | 50% | 2310 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 80% | 52,591 psi | 82% | 2510 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 46,253 psi | 72% | 2444 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 39,697 psi | 62% | 2385 fps | 99.7% |
| Rottweil R 904 | <<locked>> | 96% | 49,559 psi | 78% | 2562 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 94% | 42,960 psi | 67% | 2507 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 82% | 40,059 psi | 63% | 2362 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,622 psi | 57% | 2300 fps | 96.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 49,371 psi | 77% | 2516 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 44,541 psi | 70% | 2434 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 36,970 psi | 58% | 2326 fps | 95.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 40,712 psi | 64% | 2434 fps | 99.5% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 50,111 psi | 79% | 2536 fps | 99.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 48,051 psi | 75% | 2513 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 49,777 psi | 78% | 2431 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 41,800 psi | 66% | 2313 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 35,853 psi | 56% | 2251 fps | 95% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 42,554 psi | 67% | 2503 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 49,342 psi | 77% | 2431 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 49,748 psi | 78% | 2526 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 40,364 psi | 63% | 2388 fps | 99.7% |
| Somchem S361 | <<locked>> | 96% | 50,821 psi | 80% | 2552 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 29,588 psi | 46% | 2251 fps | 98.8% |
| Somchem S385 | <<locked>> | 90% | 38,305 psi | 60% | 2388 fps | 95.1% |
| Vihtavuori N133 | <<locked>> | 80% | 50,241 psi | 79% | 2418 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 46,296 psi | 73% | 2418 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 46,441 psi | 73% | 2428 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 38,348 psi | 60% | 2326 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 80% | 34,505 psi | 54% | 2297 fps | 97.3% |
| Vihtavuori N165 | <<locked>> | 96% | 40,277 psi | 63% | 2418 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 80% | 51,924 psi | 81% | 2533 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 44,672 psi | 70% | 2421 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 33,808 psi | 53% | 2293 fps | 96.8% |
| Vihtavuori N555 | <<locked>> | 82% | 27,427 psi | 43% | 2201 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 33,736 psi | 53% | 2267 fps | 98.9% |
| Winchester 748 | <<locked>> | 80% | 52,301 psi | 82% | 2582 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 37,492 psi | 59% | 2392 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 86% | 25,295 psi | 40% | 2201 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 80% | 47,863 psi | 75% | 2520 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 43,424 psi | 68% | 2477 fps | 95.3% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 121 powders for .284 Win. loaded with the .284 | 168gr | Nosler Custom Competition. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,753 fps; across all powders the maximum-charge window runs from 1,591 fps to 2,753 fps. Accurate 3100 gives the best case fill at 100 %, and 121 of the 121 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 168.0 gr projectile in 0.284" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate High Country, Accurate MAGPRO 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. As outliers, Accurate MAGPRO, Hodgdon H1000, Hodgdon Retumbo 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.