
Load Specifications
Load data in caliber .284 Win. with .284 | 100gr | Barnes X S bullet and 83 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 52, Alliant Power Pro 2000-MR 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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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>> | 88% | 55,767 psi | 87% | 3248 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 54,650 psi | 86% | 3268 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 54,621 psi | 86% | 3271 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 55,796 psi | 87% | 3323 fps | 99.9% |
| Accurate 4064 | <<locked>> | 96% | 57,450 psi | 90% | 3360 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 48,965 psi | 77% | 3271 fps | 95.9% |
| Accurate LT-30 | <<locked>> | 82% | 54,447 psi | 85% | 3179 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 54,824 psi | 86% | 3202 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 90% | 54,563 psi | 86% | 3323 fps | 98.3% |
| ADI AR 2208 | <<locked>> | 96% | 55,303 psi | 87% | 3307 fps | 97.8% |
| ADI AR 2219 | <<locked>> | 82% | 55,405 psi | 87% | 3314 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 90% | 57,014 psi | 89% | 3333 fps | 99.4% |
| Alliant AR-Comp | <<locked>> | 90% | 56,681 psi | 89% | 3327 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 54,969 psi | 86% | 3396 fps | 98.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 57,348 psi | 90% | 3491 fps | 98.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 54,882 psi | 86% | 3337 fps | 99% |
| Alliant Reloder-10x | <<locked>> | 84% | 55,463 psi | 87% | 3264 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 55,550 psi | 87% | 3356 fps | 98% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 55,245 psi | 87% | 3445 fps | 98.9% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 57,203 psi | 90% | 3219 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 57,508 psi | 90% | 3383 fps | 97.8% |
| Bofors RP3 | <<locked>> | 96% | 55,608 psi | 87% | 3356 fps | 99.2% |
| Hodgdon Benchmark | <<locked>> | 88% | 55,666 psi | 87% | 3264 fps | 99.6% |
| Hodgdon BL-C2 | <<locked>> | 90% | 56,376 psi | 88% | 3366 fps | 99.7% |
| Hodgdon CFE223 | <<locked>> | 88% | 57,638 psi | 90% | 3461 fps | 98.4% |
| Hodgdon H322 | <<locked>> | 86% | 57,595 psi | 90% | 3350 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 55,245 psi | 87% | 3310 fps | 100% |
| Hodgdon H380 | <<locked>> | 96% | 56,884 psi | 89% | 3356 fps | 97% |
| Hodgdon H4895 | <<locked>> | 90% | 54,984 psi | 86% | 3337 fps | 98.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 44,324 psi | 69% | 3140 fps | 96.6% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 57,072 psi | 89% | 3422 fps | 99.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,027 psi | 55% | 2077 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 55,927 psi | 88% | 3333 fps | 98.9% |
| IMR 3031 | <<locked>> | 92% | 57,595 psi | 90% | 3396 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 54,781 psi | 86% | 3294 fps | 97.9% |
| IMR 4198 | <<locked>> | 84% | 55,013 psi | 86% | 3219 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 56,884 psi | 89% | 3396 fps | 98.7% |
| IMR 8208 XBR | <<locked>> | 90% | 57,014 psi | 89% | 3333 fps | 99.4% |
| Lovex D073.5 | <<locked>> | 84% | 54,621 psi | 86% | 3271 fps | 99.6% |
| Lovex D073.6 | <<locked>> | 92% | 57,696 psi | 90% | 3366 fps | 100% |
| Lovex S060 | <<locked>> | 92% | 57,711 psi | 90% | 3301 fps | 98.7% |
| Lovex S062 | <<locked>> | 94% | 54,694 psi | 86% | 3297 fps | 99.2% |
| Norma 201 | <<locked>> | 92% | 57,130 psi | 90% | 3330 fps | 99.4% |
| Norma 202 | <<locked>> | 92% | 57,145 psi | 90% | 3340 fps | 100% |
| Norma 203B | <<locked>> | 94% | 54,694 psi | 86% | 3343 fps | 98.4% |
| Ramshot Big Game | <<locked>> | 94% | 55,114 psi | 86% | 3363 fps | 98.3% |
| Ramshot TAC | <<locked>> | 90% | 57,696 psi | 90% | 3333 fps | 96.5% |
| Ramshot Wild Boar | <<locked>> | 90% | 56,782 psi | 89% | 3360 fps | 98.6% |
| Ramshot X-Terminator | <<locked>> | 86% | 55,013 psi | 86% | 3271 fps | 98.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,505 psi | 56% | 2126 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 56,710 psi | 89% | 3323 fps | 99.9% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 55,216 psi | 87% | 3428 fps | 97.9% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 55,376 psi | 87% | 3465 fps | 100% |
| Rottweil R 901 | <<locked>> | 88% | 55,288 psi | 87% | 3274 fps | 100% |
| Rottweil R 902 | <<locked>> | 94% | 57,290 psi | 90% | 3320 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 98% | 55,448 psi | 87% | 3340 fps | 98.9% |
| Shooters World Match Rifle | <<locked>> | 92% | 57,696 psi | 90% | 3366 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 54,694 psi | 86% | 3297 fps | 99.2% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 56,739 psi | 89% | 3284 fps | 99.2% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 56,086 psi | 88% | 3323 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 56,768 psi | 89% | 3402 fps | 98.6% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 55,796 psi | 87% | 3281 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 56,318 psi | 88% | 3310 fps | 96.7% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 56,246 psi | 88% | 3340 fps | 98.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 55,085 psi | 86% | 3219 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 54,679 psi | 86% | 3209 fps | 100% |
| Somchem S321 | <<locked>> | 86% | 55,100 psi | 86% | 3314 fps | 99.4% |
| Somchem S335 | <<locked>> | 90% | 54,694 psi | 86% | 3219 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 55,187 psi | 86% | 3301 fps | 98.3% |
| Somchem S355 | <<locked>> | 98% | 55,840 psi | 88% | 3340 fps | 98.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 43,497 psi | 68% | 3199 fps | 97.9% |
| Vihtavuori N130 | <<locked>> | 86% | 54,998 psi | 86% | 3196 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 54,868 psi | 86% | 3209 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 56,260 psi | 88% | 3301 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 57,595 psi | 90% | 3310 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 57,276 psi | 90% | 3320 fps | 99.7% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 50,807 psi | 80% | 3258 fps | 96.1% |
| Vihtavuori N530 | <<locked>> | 90% | 57,566 psi | 90% | 3333 fps | 99.5% |
| Vihtavuori N540 | <<locked>> | 94% | 55,898 psi | 88% | 3301 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 50,082 psi | 78% | 3261 fps | 95.8% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 52,170 psi | 82% | 3241 fps | 98.4% |
| Winchester 748 | <<locked>> | 90% | 56,797 psi | 89% | 3383 fps | 99.8% |
| Winchester StaBALL Match | <<locked>> | 92% | 55,927 psi | 88% | 3350 fps | 98.9% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 43,947 psi | 69% | 3038 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 47,935 psi | 75% | 3146 fps | 99.6% |
| Accurate 2495 | <<locked>> | 80% | 37,739 psi | 59% | 2946 fps | 99.8% |
| Accurate 2520 | <<locked>> | 80% | 42,989 psi | 67% | 3084 fps | 98.7% |
| Accurate 4064 | <<locked>> | 80% | 35,621 psi | 56% | 2917 fps | 97.9% |
| Accurate 4350 | <<locked>> | 98% | 45,818 psi | 72% | 3205 fps | 95.1% |
| Accurate LT-30 | <<locked>> | 80% | 51,242 psi | 80% | 3127 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 51,576 psi | 81% | 3146 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 82% | 42,815 psi | 67% | 3081 fps | 95.7% |
| ADI AR 2208 | <<locked>> | 88% | 43,598 psi | 68% | 3074 fps | 95.1% |
| ADI AR 2219 | <<locked>> | 80% | 51,706 psi | 81% | 3251 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 42,177 psi | 66% | 3041 fps | 96.9% |
| Alliant AR-Comp | <<locked>> | 80% | 41,191 psi | 65% | 3064 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 48,501 psi | 76% | 3271 fps | 97.7% |
| Alliant Power Pro 2000-MR | 52.6 gr | 88% | 47,065 psi | 74% | 3278 fps | 95.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 38,305 psi | 60% | 2992 fps | 95.4% |
| Alliant Reloder-10x | <<locked>> | 80% | 49,037 psi | 77% | 3156 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 43,526 psi | 68% | 3114 fps | 95.3% |
| Alliant Reloder-17 | <<locked>> | 90% | 40,364 psi | 63% | 3117 fps | 95.1% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 50,662 psi | 79% | 3114 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 47,369 psi | 74% | 3192 fps | 95.7% |
| Bofors RP3 | <<locked>> | 84% | 38,029 psi | 60% | 2992 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 44,077 psi | 69% | 3041 fps | 98% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,669 psi | 64% | 3054 fps | 97.2% |
| Hodgdon CFE223 | <<locked>> | 80% | 43,990 psi | 69% | 3189 fps | 95.3% |
| Hodgdon H322 | <<locked>> | 80% | 47,500 psi | 74% | 3173 fps | 99.9% |
| Hodgdon H335 | <<locked>> | 80% | 48,704 psi | 76% | 3192 fps | 99.7% |
| Hodgdon H380 | <<locked>> | 92% | 50,111 psi | 79% | 3235 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 40,683 psi | 64% | 3038 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 41,756 psi | 65% | 3081 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 38,986 psi | 61% | 3048 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,136 psi | 41% | 1860 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,856 psi | 61% | 2976 fps | 95% |
| IMR 3031 | <<locked>> | 80% | 39,523 psi | 62% | 3058 fps | 99.6% |
| IMR 4064 | <<locked>> | 86% | 43,076 psi | 68% | 3058 fps | 95.2% |
| IMR 4198 | <<locked>> | 80% | 48,820 psi | 77% | 3117 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 41,916 psi | 66% | 3094 fps | 95.5% |
| IMR 8208 XBR | <<locked>> | 80% | 42,177 psi | 66% | 3041 fps | 96.9% |
| Lovex D073.5 | <<locked>> | 80% | 47,674 psi | 75% | 3146 fps | 98.9% |
| Lovex D073.6 | <<locked>> | 80% | 39,059 psi | 61% | 3005 fps | 97.8% |
| Lovex S060 | <<locked>> | 80% | 40,872 psi | 64% | 2963 fps | 95.2% |
| Lovex S062 | <<locked>> | 80% | 36,274 psi | 57% | 2904 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 40,030 psi | 63% | 2986 fps | 96.4% |
| Norma 202 | <<locked>> | 80% | 39,581 psi | 62% | 2995 fps | 98.5% |
| Norma 203B | <<locked>> | 84% | 40,364 psi | 63% | 3045 fps | 95% |
| Ramshot Big Game | <<locked>> | 86% | 42,511 psi | 67% | 3110 fps | 95.3% |
| Ramshot TAC | <<locked>> | 86% | 50,894 psi | 80% | 3205 fps | 95% |
| Ramshot Wild Boar | <<locked>> | 80% | 41,365 psi | 65% | 3051 fps | 95.2% |
| Ramshot X-Terminator | <<locked>> | 80% | 45,600 psi | 71% | 3087 fps | 96.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,440 psi | 41% | 1903 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 47,152 psi | 74% | 3146 fps | 99.1% |
| ReloadSwiss RS 52 | 49.8 gr | 86% | 45,194 psi | 71% | 3228 fps | 95.7% |
| ReloadSwiss RS 60 | 49.4 gr | 84% | 35,389 psi | 55% | 2992 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 44,048 psi | 69% | 3061 fps | 99.1% |
| Rottweil R 902 | <<locked>> | 80% | 38,276 psi | 60% | 2933 fps | 95.8% |
| Rottweil R 903 | <<locked>> | 86% | 38,072 psi | 60% | 2982 fps | 95% |
| Shooters World Match Rifle | <<locked>> | 80% | 39,059 psi | 61% | 3005 fps | 97.8% |
| Shooters World Precision | <<locked>> | 80% | 36,274 psi | 57% | 2904 fps | 95.2% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 49,705 psi | 78% | 3159 fps | 98.2% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 52,605 psi | 82% | 3261 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 41,437 psi | 65% | 3094 fps | 95.1% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 49,284 psi | 77% | 3169 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 49,356 psi | 77% | 3182 fps | 95.2% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 41,234 psi | 65% | 3038 fps | 95.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 41,031 psi | 64% | 2949 fps | 98.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,968 psi | 53% | 2789 fps | 98.1% |
| Somchem S321 | <<locked>> | 80% | 45,440 psi | 71% | 3130 fps | 98% |
| Somchem S335 | <<locked>> | 80% | 40,886 psi | 64% | 2956 fps | 99.3% |
| Somchem S341 | <<locked>> | 82% | 42,569 psi | 67% | 3054 fps | 95.5% |
| Somchem S355 | <<locked>> | 86% | 38,972 psi | 61% | 2995 fps | 95.1% |
| Somchem S365 | <<locked>> | 94% | 36,143 psi | 57% | 3009 fps | 95.4% |
| Vihtavuori N130 | <<locked>> | 80% | 46,166 psi | 72% | 3045 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 40,944 psi | 64% | 2956 fps | 99.9% |
| Vihtavuori N135 | <<locked>> | 80% | 36,709 psi | 58% | 2927 fps | 99.7% |
| Vihtavuori N140 | <<locked>> | 80% | 37,565 psi | 59% | 2923 fps | 98.4% |
| Vihtavuori N150 | <<locked>> | 84% | 34,867 psi | 55% | 2864 fps | 95.3% |
| Vihtavuori N160 | <<locked>> | 98% | 47,732 psi | 75% | 3199 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 42,235 psi | 66% | 3038 fps | 97% |
| Vihtavuori N540 | <<locked>> | 80% | 36,448 psi | 57% | 2907 fps | 97.6% |
| Vihtavuori N550 | <<locked>> | 98% | 47,137 psi | 74% | 3205 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 40,321 psi | 63% | 2992 fps | 95.4% |
| Winchester 748 | <<locked>> | 80% | 41,104 psi | 64% | 3077 fps | 97.6% |
| Winchester StaBALL Match | <<locked>> | 82% | 40,553 psi | 64% | 3041 fps | 95.8% |
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.
This overview compares 83 powders for .284 Win. loaded with the .284 | 100gr | Barnes X S. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,491 fps; across all powders the maximum-charge window runs from 2,077 fps to 3,491 fps. Accurate 4350 gives the best case fill at 100 %, and 83 of the 83 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 100.0 gr projectile in 0.284" calls for a 1:14.5 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-17, 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 52, Alliant Power Pro 2000-MR, ReloadSwiss RS 60 rank at the top here: for .284 Win. with the .284 | 100gr | 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.