Load Specifications
Load data in caliber .277 Fury with .277 | 103gr | Apex Outdoors Afterburner bullet and 96 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Accurate 2200, Alliant Power Pro 1200-R and Accurate 2230.
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 - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 90% | 69,662 psi | 87% | 3202 fps | 100% |
| Accurate 2015ᴾ | <<locked>> | 100% | 63,657 psi | 80% | 3212 fps | 100% |
| Accurate 2200 | <<locked>> | 94% | 70,546 psi | 88% | 3399 fps | 98.9% |
| Accurate 2230 | <<locked>> | 92% | 67,820 psi | 85% | 3353 fps | 98.8% |
| Accurate 2460 | <<locked>> | 98% | 67,646 psi | 85% | 3301 fps | 100% |
| Accurate 2495ᴾ | <<locked>> | 100% | 52,779 psi | 66% | 3123 fps | 100% |
| Accurate 2520ᴾ | <<locked>> | 100% | 64,658 psi | 81% | 3307 fps | 100% |
| Accurate 4064ᴾ | <<locked>> | 100% | 48,834 psi | 61% | 3100 fps | 99.7% |
| Accurate LT-30 | <<locked>> | 96% | 69,415 psi | 87% | 3219 fps | 100% |
| Accurate LT-32 | <<locked>> | 96% | 69,923 psi | 87% | 3245 fps | 100% |
| ADI APS 450 | <<locked>> | 94% | 70,779 psi | 88% | 2543 fps | 100% |
| ADI AR 2205 | <<locked>> | 86% | 72,345 psi | 90% | 3091 fps | 100% |
| ADI AR 2206Hᴾ | <<locked>> | 100% | 59,030 psi | 74% | 3245 fps | 98.3% |
| ADI AR 2207 | <<locked>> | 94% | 70,126 psi | 88% | 3241 fps | 100% |
| ADI AR 2208ᴾ | <<locked>> | 100% | 49,676 psi | 62% | 3058 fps | 95.9% |
| ADI AR 2219 | <<locked>> | 96% | 70,343 psi | 88% | 3363 fps | 100% |
| ADI Benchmark 8208ᴾ | <<locked>> | 100% | 62,323 psi | 78% | 3258 fps | 99.4% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 60,481 psi | 76% | 3248 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 98% | 67,733 psi | 85% | 3438 fps | 99.6% |
| Alliant Power Pro 2000-MRᴾ | <<locked>> | 100% | 55,361 psi | 69% | 3281 fps | 96.6% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 47,993 psi | 60% | 3081 fps | 97.4% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 71,953 psi | 90% | 3330 fps | 100% |
| Alliant Reloder-15ᴾ | <<locked>> | 100% | 52,489 psi | 66% | 3159 fps | 96.8% |
| Alliant Reloder-7 | <<locked>> | 94% | 71,953 psi | 90% | 3264 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 96% | 68,763 psi | 86% | 3212 fps | 100% |
| Baschieri & Pellagri 107ᴾ | <<locked>> | 100% | 58,885 psi | 74% | 3248 fps | 97.3% |
| Bofors RP3ᴾ | <<locked>> | 100% | 48,153 psi | 60% | 3094 fps | 97.6% |
| Hodgdon Benchmarkᴾ | <<locked>> | 100% | 65,398 psi | 82% | 3251 fps | 99.8% |
| Hodgdon BL-C2ᴾ | <<locked>> | 100% | 61,192 psi | 76% | 3294 fps | 99.7% |
| Hodgdon CFE BLK | <<locked>> | 82% | 70,793 psi | 88% | 3337 fps | 99.8% |
| Hodgdon CFE223ᴾ | <<locked>> | 100% | 67,646 psi | 85% | 3455 fps | 98.9% |
| Hodgdon H322 | <<locked>> | 98% | 67,733 psi | 85% | 3333 fps | 100% |
| Hodgdon H335 | <<locked>> | 98% | 70,082 psi | 88% | 3366 fps | 100% |
| Hodgdon H4198 | <<locked>> | 94% | 72,142 psi | 90% | 3281 fps | 100% |
| Hodgdon H4895ᴾ | <<locked>> | 100% | 59,408 psi | 74% | 3258 fps | 98.8% |
| Hodgdon LEVERevolutionᴾ | <<locked>> | 100% | 53,954 psi | 67% | 3222 fps | 98.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,721 psi | 42% | 1900 fps | 100% |
| Hodgdon VARGETᴾ | <<locked>> | 100% | 57,812 psi | 72% | 3209 fps | 98.5% |
| IMR 3031ᴾ | <<locked>> | 100% | 57,537 psi | 72% | 3258 fps | 100% |
| IMR 4064ᴾ | <<locked>> | 100% | 52,286 psi | 65% | 3097 fps | 96.7% |
| IMR 4198ᴾ | <<locked>> | 100% | 71,620 psi | 90% | 3278 fps | 100% |
| IMR 4227 | <<locked>> | 90% | 71,286 psi | 89% | 3199 fps | 100% |
| IMR 4895ᴾ | <<locked>> | 100% | 53,751 psi | 67% | 3199 fps | 97.7% |
| IMR 8208 XBRᴾ | <<locked>> | 100% | 62,323 psi | 78% | 3258 fps | 99.4% |
| Lovex D060 | <<locked>> | 84% | 68,879 psi | 86% | 3248 fps | 100% |
| Lovex D073.4 | <<locked>> | 92% | 68,675 psi | 86% | 3330 fps | 100% |
| Lovex D073.5 | <<locked>> | 98% | 68,429 psi | 86% | 3317 fps | 100% |
| Lovex D073.6ᴾ | <<locked>> | 100% | 57,493 psi | 72% | 3225 fps | 99.8% |
| Lovex S053 | <<locked>> | 90% | 68,937 psi | 86% | 3127 fps | 100% |
| Lovex S060ᴾ | <<locked>> | 100% | 59,785 psi | 75% | 3169 fps | 98.3% |
| Lovex S062ᴾ | <<locked>> | 100% | 51,329 psi | 64% | 3100 fps | 98.3% |
| Norma 200 | <<locked>> | 94% | 68,603 psi | 86% | 3261 fps | 100% |
| Norma 201ᴾ | <<locked>> | 100% | 57,870 psi | 72% | 3192 fps | 99.1% |
| Norma 202ᴾ | <<locked>> | 100% | 57,653 psi | 72% | 3205 fps | 100% |
| Norma 203Bᴾ | <<locked>> | 100% | 51,561 psi | 64% | 3146 fps | 97.2% |
| Ramshot Big Gameᴾ | <<locked>> | 100% | 52,272 psi | 65% | 3166 fps | 97% |
| Ramshot TACᴾ | <<locked>> | 100% | 64,136 psi | 80% | 3264 fps | 96.6% |
| Ramshot Wild Boarᴾ | <<locked>> | 100% | 62,294 psi | 78% | 3291 fps | 98.6% |
| Ramshot X-Terminatorᴾ | <<locked>> | 100% | 69,705 psi | 87% | 3323 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,605 psi | 42% | 1939 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 90% | 72,316 psi | 90% | 3245 fps | 100% |
| ReloadSwiss RS 40ᴾ | <<locked>> | 100% | 71,127 psi | 89% | 3366 fps | 100% |
| ReloadSwiss RS 52ᴾ | <<locked>> | 100% | 55,332 psi | 69% | 3281 fps | 97.3% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 46,079 psi | 58% | 3127 fps | 98.5% |
| Rottweil R 901ᴾ | <<locked>> | 100% | 62,497 psi | 78% | 3238 fps | 100% |
| Rottweil R 902ᴾ | <<locked>> | 100% | 54,563 psi | 68% | 3130 fps | 98.7% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 44,425 psi | 56% | 3015 fps | 96.4% |
| Shooters World AR Plus | <<locked>> | 92% | 68,675 psi | 86% | 3330 fps | 100% |
| Shooters World Buffalo Rifle | <<locked>> | 84% | 68,879 psi | 86% | 3248 fps | 100% |
| Shooters World Match Rifleᴾ | <<locked>> | 100% | 57,493 psi | 72% | 3225 fps | 99.8% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 51,329 psi | 64% | 3100 fps | 98.3% |
| Shooters World SOCOM | <<locked>> | 82% | 68,124 psi | 85% | 3166 fps | 100% |
| Shooters World Tactical Rifle | <<locked>> | 96% | 68,864 psi | 86% | 3287 fps | 99.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 96% | 71,315 psi | 89% | 2966 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 96% | 70,938 psi | 89% | 3376 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 47,079 psi | 59% | 3081 fps | 95.9% |
| SNPE Vectan SP 3 | <<locked>> | 98% | 69,096 psi | 86% | 3301 fps | 100% |
| SNPE Vectan SP 7ᴾ | <<locked>> | 100% | 61,888 psi | 77% | 3238 fps | 96.8% |
| SNPE Vectan SP 9ᴾ | <<locked>> | 100% | 57,464 psi | 72% | 3209 fps | 98.1% |
| SNPE Vectan Tubal 3000ᴾ | <<locked>> | 100% | 60,858 psi | 76% | 3146 fps | 100% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 49,487 psi | 62% | 2986 fps | 99.9% |
| Somchem S321ᴾ | <<locked>> | 100% | 69,227 psi | 87% | 3366 fps | 99.9% |
| Somchem S335ᴾ | <<locked>> | 100% | 59,277 psi | 74% | 3143 fps | 100% |
| Somchem S341ᴾ | <<locked>> | 100% | 60,510 psi | 76% | 3228 fps | 98.3% |
| Somchem S355ᴾ | <<locked>> | 100% | 45,977 psi | 57% | 3028 fps | 96.5% |
| Vihtavuori N110 | <<locked>> | 86% | 71,054 psi | 89% | 3051 fps | 100% |
| Vihtavuori N120 | <<locked>> | 94% | 69,792 psi | 87% | 3176 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 67,936 psi | 85% | 3215 fps | 100% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 60,002 psi | 75% | 3133 fps | 100% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 52,402 psi | 66% | 3114 fps | 100% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 54,520 psi | 68% | 3123 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 44,005 psi | 55% | 2956 fps | 97.4% |
| Vihtavuori N530ᴾ | <<locked>> | 100% | 63,933 psi | 80% | 3268 fps | 99.6% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 52,982 psi | 66% | 3117 fps | 99.8% |
| Winchester 748ᴾ | <<locked>> | 100% | 61,888 psi | 77% | 3314 fps | 99.8% |
| Winchester StaBALL Matchᴾ | <<locked>> | 100% | 56,826 psi | 71% | 3219 fps | 98.5% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 80% | 50,604 psi | 63% | 2953 fps | 100% |
| Accurate 2015 | <<locked>> | 80% | 34,679 psi | 43% | 2720 fps | 99.1% |
| Accurate 2200 | 35.5 gr | 82% | 47,703 psi | 60% | 3038 fps | 95.2% |
| Accurate 2230 | 37.8 gr | 82% | 47,688 psi | 60% | 3038 fps | 95.7% |
| Accurate 2460 | <<locked>> | 80% | 37,347 psi | 47% | 2802 fps | 97.3% |
| Accurate 2495 | <<locked>> | 80% | 27,412 psi | 34% | 2592 fps | 97.5% |
| Accurate 2520 | <<locked>> | 80% | 32,619 psi | 41% | 2730 fps | 95.4% |
| Accurate 4064 | <<locked>> | 84% | 29,486 psi | 37% | 2667 fps | 95.5% |
| Accurate LT-30 | <<locked>> | 80% | 42,902 psi | 54% | 2825 fps | 99.4% |
| Accurate LT-32 | <<locked>> | 80% | 43,265 psi | 54% | 2835 fps | 98.2% |
| ADI APS 450 | <<locked>> | 80% | 56,260 psi | 70% | 2346 fps | 100% |
| ADI AR 2205 | <<locked>> | 80% | 60,858 psi | 76% | 2959 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 43,178 psi | 54% | 2959 fps | 95.1% |
| ADI AR 2207 | <<locked>> | 80% | 46,456 psi | 58% | 2927 fps | 100% |
| ADI AR 2208 | <<locked>> | 98% | 46,833 psi | 59% | 3005 fps | 95.2% |
| ADI AR 2219 | <<locked>> | 80% | 41,336 psi | 52% | 2920 fps | 99.2% |
| ADI Benchmark 8208 | <<locked>> | 84% | 38,072 psi | 48% | 2818 fps | 95.1% |
| Alliant AR-Comp | <<locked>> | 80% | 31,749 psi | 40% | 2743 fps | 99.9% |
| Alliant Power Pro 1200-R | 34.9 gr | 82% | 40,437 psi | 51% | 2963 fps | 95.1% |
| Alliant Power Pro 2000-MR | <<locked>> | 98% | 51,793 psi | 65% | 3215 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 39,856 psi | 50% | 2917 fps | 95.4% |
| Alliant Reloder-10x | <<locked>> | 80% | 39,552 psi | 49% | 2844 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 96% | 46,325 psi | 58% | 3045 fps | 95.4% |
| Alliant Reloder-7 | <<locked>> | 80% | 47,601 psi | 60% | 2936 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 41,640 psi | 52% | 2812 fps | 99.4% |
| Baschieri & Pellagri 107 | <<locked>> | 94% | 48,486 psi | 61% | 3071 fps | 95.1% |
| Bofors RP3 | <<locked>> | 94% | 39,378 psi | 49% | 2917 fps | 95.3% |
| Hodgdon Benchmark | <<locked>> | 80% | 36,027 psi | 45% | 2723 fps | 95.1% |
| Hodgdon BL-C2 | <<locked>> | 84% | 35,534 psi | 44% | 2822 fps | 95% |
| Hodgdon CFE BLK | <<locked>> | 80% | 66,282 psi | 83% | 3281 fps | 99.6% |
| Hodgdon CFE223 | <<locked>> | 90% | 48,138 psi | 60% | 3140 fps | 95.7% |
| Hodgdon H322 | <<locked>> | 80% | 37,695 psi | 47% | 2841 fps | 98.5% |
| Hodgdon H335 | <<locked>> | 80% | 38,363 psi | 48% | 2858 fps | 97.8% |
| Hodgdon H4198 | <<locked>> | 80% | 47,137 psi | 59% | 2923 fps | 99.6% |
| Hodgdon H4895 | <<locked>> | 88% | 40,959 psi | 51% | 2923 fps | 95.2% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 41,582 psi | 52% | 2982 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,932 psi | 31% | 1699 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 42,163 psi | 53% | 2927 fps | 95.4% |
| IMR 3031 | <<locked>> | 80% | 30,240 psi | 38% | 2707 fps | 97.2% |
| IMR 4064 | <<locked>> | 96% | 46,412 psi | 58% | 2992 fps | 95.4% |
| IMR 4198 | <<locked>> | 80% | 40,495 psi | 51% | 2825 fps | 100% |
| IMR 4227 | <<locked>> | 80% | 53,113 psi | 66% | 2969 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 44,295 psi | 55% | 3025 fps | 95.6% |
| IMR 8208 XBR | <<locked>> | 84% | 38,072 psi | 48% | 2818 fps | 95.1% |
| Lovex D060 | <<locked>> | 80% | 61,728 psi | 77% | 3153 fps | 100% |
| Lovex D073.4 | <<locked>> | 80% | 45,194 psi | 56% | 2976 fps | 98.4% |
| Lovex D073.5 | <<locked>> | 80% | 37,159 psi | 46% | 2799 fps | 96% |
| Lovex D073.6 | <<locked>> | 84% | 33,721 psi | 42% | 2772 fps | 95.8% |
| Lovex S053 | <<locked>> | 80% | 52,301 psi | 65% | 2913 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 44,672 psi | 56% | 2907 fps | 95.5% |
| Lovex S062 | <<locked>> | 90% | 37,956 psi | 47% | 2835 fps | 95.2% |
| Norma 200 | <<locked>> | 80% | 44,585 psi | 56% | 2920 fps | 100% |
| Norma 201 | <<locked>> | 86% | 37,579 psi | 47% | 2808 fps | 95% |
| Norma 202 | <<locked>> | 80% | 30,850 psi | 39% | 2664 fps | 95.4% |
| Norma 203B | <<locked>> | 94% | 42,525 psi | 53% | 2972 fps | 95% |
| Ramshot Big Game | <<locked>> | 96% | 45,905 psi | 57% | 3048 fps | 95.5% |
| Ramshot TAC | <<locked>> | 96% | 56,420 psi | 71% | 3153 fps | 95.2% |
| Ramshot Wild Boar | <<locked>> | 90% | 44,889 psi | 56% | 3002 fps | 95.5% |
| Ramshot X-Terminator | <<locked>> | 86% | 44,353 psi | 55% | 2927 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,961 psi | 31% | 1739 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 53,693 psi | 67% | 3012 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 37,550 psi | 47% | 2812 fps | 96.5% |
| ReloadSwiss RS 52 | <<locked>> | 96% | 48,283 psi | 60% | 3156 fps | 95.8% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 37,927 psi | 47% | 2933 fps | 96% |
| Rottweil R 901 | <<locked>> | 80% | 34,925 psi | 44% | 2726 fps | 96.6% |
| Rottweil R 902 | <<locked>> | 88% | 37,869 psi | 47% | 2805 fps | 95.1% |
| Rottweil R 903 | <<locked>> | 98% | 41,814 psi | 52% | 2959 fps | 95.7% |
| Shooters World AR Plus | <<locked>> | 80% | 45,194 psi | 56% | 2976 fps | 98.4% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 61,728 psi | 77% | 3153 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 84% | 33,721 psi | 42% | 2772 fps | 95.8% |
| Shooters World Precision | <<locked>> | 90% | 37,956 psi | 47% | 2835 fps | 95.2% |
| Shooters World SOCOM | <<locked>> | 80% | 64,252 psi | 80% | 3120 fps | 100% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 39,914 psi | 50% | 2818 fps | 95.2% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 47,674 psi | 60% | 2677 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 41,887 psi | 52% | 2923 fps | 98.5% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 44,121 psi | 55% | 3018 fps | 95.1% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 39,682 psi | 50% | 2848 fps | 99.4% |
| SNPE Vectan SP 7 | <<locked>> | 96% | 53,969 psi | 67% | 3117 fps | 95.3% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 44,585 psi | 56% | 2982 fps | 95.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 32,996 psi | 41% | 2631 fps | 96.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 28,471 psi | 36% | 2530 fps | 95.6% |
| Somchem S321 | <<locked>> | 82% | 38,058 psi | 48% | 2844 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 32,416 psi | 41% | 2638 fps | 96.9% |
| Somchem S341 | <<locked>> | 90% | 43,424 psi | 54% | 2943 fps | 95% |
| Somchem S355 | <<locked>> | 96% | 40,480 psi | 51% | 2913 fps | 95% |
| Vihtavuori N110 | <<locked>> | 80% | 60,089 psi | 75% | 2923 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 46,412 psi | 58% | 2874 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 37,449 psi | 47% | 2743 fps | 99.8% |
| Vihtavuori N133 | <<locked>> | 80% | 32,721 psi | 41% | 2648 fps | 98.5% |
| Vihtavuori N135 | <<locked>> | 80% | 27,891 psi | 35% | 2598 fps | 97.4% |
| Vihtavuori N140 | <<locked>> | 80% | 29,225 psi | 37% | 2595 fps | 95.1% |
| Vihtavuori N150 | <<locked>> | 94% | 36,448 psi | 46% | 2795 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 84% | 37,956 psi | 47% | 2812 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 84% | 31,995 psi | 40% | 2690 fps | 95.7% |
| Winchester 748 | <<locked>> | 84% | 36,593 psi | 46% | 2848 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 90% | 40,756 psi | 51% | 2923 fps | 95.1% |
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 96 powders for .277 Fury loaded with the .277 | 103gr | Apex Outdoors Afterburner. Hodgdon CFE223 delivers the highest muzzle velocity at 3,455 fps; across all powders the maximum-charge window runs from 1,900 fps to 3,455 fps. Accurate 2015 gives the best case fill at 100 %, and 96 of the 96 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (552 MPa), the top charges use 42–90 %, leaving at least 10 % headroom. The 103.0 gr projectile in 0.277" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate 2495, Accurate 2520 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. Accurate 2200, Alliant Power Pro 1200-R, Accurate 2230 rank at the top here: for .277 Fury with the .277 | 103gr | Apex Outdoors Afterburner 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.