Load Specifications
Load data in caliber .277 Fury Commercial with .277 | 150gr | Nosler Ballistic Silver Tip bullet and 94 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 60 and Ramshot Big Game.
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: 20"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 88% | 55,796 psi | 88% | 2451 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 53,983 psi | 86% | 2470 fps | 100% |
| Accurate 2495 | <<locked>> | 94% | 56,565 psi | 90% | 2503 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 55,782 psi | 88% | 2530 fps | 100% |
| Accurate 4064 | <<locked>> | 96% | 56,188 psi | 89% | 2543 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 48,312 psi | 77% | 2500 fps | 97.6% |
| Accurate LT-30 | <<locked>> | 82% | 54,824 psi | 87% | 2398 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 55,303 psi | 88% | 2421 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 54,795 psi | 87% | 2533 fps | 99.4% |
| ADI AR 2208 | <<locked>> | 96% | 55,245 psi | 88% | 2520 fps | 99% |
| ADI AR 2219 | <<locked>> | 82% | 56,028 psi | 89% | 2510 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 88% | 53,722 psi | 85% | 2487 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 88% | 54,041 psi | 86% | 2477 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 55,506 psi | 88% | 2582 fps | 99.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 53,766 psi | 85% | 2621 fps | 98.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 54,998 psi | 87% | 2546 fps | 99.8% |
| Alliant Reloder-10x | <<locked>> | 84% | 55,680 psi | 88% | 2457 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 55,811 psi | 88% | 2566 fps | 99.2% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 47,979 psi | 76% | 2510 fps | 97.7% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 55,259 psi | 88% | 2648 fps | 99.8% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 53,998 psi | 86% | 2398 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 54,012 psi | 86% | 2539 fps | 98.6% |
| Bofors RP3 | <<locked>> | 96% | 55,201 psi | 87% | 2556 fps | 99.8% |
| Hodgdon Benchmark | <<locked>> | 88% | 56,014 psi | 89% | 2480 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 90% | 56,072 psi | 89% | 2559 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 54,476 psi | 86% | 2598 fps | 99.1% |
| Hodgdon H322 | <<locked>> | 84% | 54,723 psi | 87% | 2493 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 55,376 psi | 88% | 2510 fps | 100% |
| Hodgdon H380 | <<locked>> | 96% | 57,029 psi | 90% | 2572 fps | 98.5% |
| Hodgdon H4895 | <<locked>> | 90% | 55,274 psi | 88% | 2543 fps | 99.7% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 43,961 psi | 70% | 2402 fps | 98.2% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 53,592 psi | 85% | 2562 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,085 psi | 56% | 1512 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 56,260 psi | 89% | 2539 fps | 99.7% |
| IMR 3031 | <<locked>> | 90% | 54,505 psi | 86% | 2530 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 55,172 psi | 87% | 2513 fps | 99.2% |
| IMR 4166 Enduron | <<locked>> | 92% | 55,463 psi | 88% | 2490 fps | 96.1% |
| IMR 4198 | <<locked>> | 84% | 55,941 psi | 89% | 2421 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 98% | 54,520 psi | 86% | 2503 fps | 95.8% |
| IMR 4831ᴾ | <<locked>> | 100% | 46,311 psi | 73% | 2451 fps | 97.2% |
| IMR 4895 | <<locked>> | 92% | 53,780 psi | 85% | 2546 fps | 99.4% |
| IMR 8208 XBR | <<locked>> | 88% | 53,722 psi | 85% | 2487 fps | 99.8% |
| Lovex D073.5 | <<locked>> | 84% | 53,940 psi | 85% | 2480 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 53,911 psi | 85% | 2513 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 54,882 psi | 87% | 2470 fps | 99.4% |
| Lovex S062 | <<locked>> | 94% | 54,317 psi | 86% | 2507 fps | 99.9% |
| Lovex S065ᴾ | <<locked>> | 100% | 53,330 psi | 85% | 2497 fps | 97.1% |
| Norma 201 | <<locked>> | 92% | 56,956 psi | 90% | 2530 fps | 100% |
| Norma 202 | <<locked>> | 90% | 53,911 psi | 85% | 2490 fps | 100% |
| Norma 203B | <<locked>> | 94% | 54,868 psi | 87% | 2552 fps | 99.4% |
| Norma URPᴾ | <<locked>> | 100% | 48,240 psi | 76% | 2493 fps | 97.4% |
| Ramshot Big Game | <<locked>> | 94% | 55,303 psi | 88% | 2579 fps | 99.4% |
| Ramshot TAC | <<locked>> | 88% | 54,027 psi | 86% | 2497 fps | 97.5% |
| Ramshot Wild Boar | <<locked>> | 88% | 53,447 psi | 85% | 2520 fps | 99.2% |
| Ramshot X-Terminator | <<locked>> | 86% | 55,085 psi | 87% | 2493 fps | 99.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,215 psi | 56% | 1545 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 57,029 psi | 90% | 2523 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 53,650 psi | 85% | 2500 fps | 96.5% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 55,883 psi | 89% | 2621 fps | 99.2% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 55,390 psi | 88% | 2654 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 48,138 psi | 76% | 2520 fps | 97.2% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 49,037 psi | 78% | 2536 fps | 96.6% |
| Rottweil R 901 | <<locked>> | 88% | 54,375 psi | 86% | 2470 fps | 100% |
| Rottweil R 902 | <<locked>> | 94% | 57,029 psi | 90% | 2523 fps | 100% |
| Rottweil R 903 | <<locked>> | 98% | 55,056 psi | 87% | 2549 fps | 99.7% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 53,330 psi | 85% | 2497 fps | 97.1% |
| Shooters World Match Rifle | <<locked>> | 90% | 53,911 psi | 85% | 2513 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 54,317 psi | 86% | 2507 fps | 99.9% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 56,753 psi | 90% | 2497 fps | 99.9% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 56,333 psi | 89% | 2520 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 56,811 psi | 90% | 2602 fps | 99.5% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 56,289 psi | 89% | 2474 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 55,869 psi | 89% | 2526 fps | 98.2% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 56,449 psi | 89% | 2549 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 55,651 psi | 88% | 2441 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 55,201 psi | 87% | 2434 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 53,983 psi | 86% | 2457 fps | 95.7% |
| Somchem S321 | <<locked>> | 86% | 55,071 psi | 87% | 2523 fps | 99.9% |
| Somchem S335 | <<locked>> | 90% | 54,694 psi | 87% | 2438 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 55,230 psi | 88% | 2523 fps | 99.4% |
| Somchem S355 | <<locked>> | 98% | 55,317 psi | 88% | 2543 fps | 99.7% |
| Somchem S365ᴾ | <<locked>> | 100% | 42,946 psi | 68% | 2448 fps | 99.2% |
| Vihtavuori N130 | <<locked>> | 86% | 55,201 psi | 87% | 2408 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 55,637 psi | 88% | 2428 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 56,405 psi | 89% | 2497 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 54,360 psi | 86% | 2474 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 53,722 psi | 85% | 2487 fps | 99.9% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 50,633 psi | 80% | 2497 fps | 97.8% |
| Vihtavuori N530 | <<locked>> | 88% | 54,273 psi | 86% | 2490 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 94% | 55,637 psi | 88% | 2510 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 49,676 psi | 79% | 2500 fps | 97.4% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 51,547 psi | 82% | 2487 fps | 99.4% |
| Winchester 748 | <<locked>> | 88% | 53,621 psi | 85% | 2533 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 92% | 56,086 psi | 89% | 2559 fps | 99.7% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 20"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 43,410 psi | 69% | 2283 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 47,355 psi | 75% | 2379 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 36,201 psi | 57% | 2208 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 42,337 psi | 67% | 2333 fps | 99.6% |
| Accurate 4064 | <<locked>> | 80% | 34,214 psi | 54% | 2192 fps | 99% |
| Accurate 4350 | <<locked>> | 94% | 39,421 psi | 62% | 2349 fps | 95.2% |
| Accurate LT-30 | <<locked>> | 80% | 51,967 psi | 82% | 2359 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 52,373 psi | 83% | 2382 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 40,059 psi | 63% | 2290 fps | 96.9% |
| ADI AR 2208 | <<locked>> | 84% | 38,551 psi | 61% | 2247 fps | 95.6% |
| ADI AR 2219 | <<locked>> | 80% | 52,185 psi | 83% | 2461 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 42,090 psi | 67% | 2306 fps | 98.5% |
| Alliant AR-Comp | <<locked>> | 80% | 41,350 psi | 66% | 2306 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 48,907 psi | 78% | 2484 fps | 99.2% |
| Alliant Power Pro 2000-MR | 35.7 gr | 82% | 38,595 psi | 61% | 2346 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 33,156 psi | 53% | 2169 fps | 95.7% |
| Alliant Reloder-10x | <<locked>> | 80% | 49,066 psi | 78% | 2372 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 38,247 psi | 61% | 2274 fps | 95.8% |
| Alliant Reloder-16 | <<locked>> | 94% | 39,958 psi | 63% | 2356 fps | 95.3% |
| Alliant Reloder-17 | <<locked>> | 86% | 34,766 psi | 55% | 2274 fps | 95.3% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 50,981 psi | 81% | 2359 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 38,972 psi | 62% | 2287 fps | 95.3% |
| Bofors RP3 | <<locked>> | 80% | 32,518 psi | 52% | 2165 fps | 95.6% |
| Hodgdon Benchmark | <<locked>> | 80% | 44,106 psi | 70% | 2303 fps | 99.2% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,219 psi | 64% | 2316 fps | 98.6% |
| Hodgdon CFE223 | <<locked>> | 80% | 44,106 psi | 70% | 2434 fps | 97.4% |
| Hodgdon H322 | <<locked>> | 80% | 47,819 psi | 76% | 2398 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 48,617 psi | 77% | 2418 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 41,046 psi | 65% | 2320 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 40,408 psi | 64% | 2300 fps | 97.6% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 34,171 psi | 54% | 2211 fps | 95.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 36,056 psi | 57% | 2264 fps | 96.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,962 psi | 41% | 1345 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,885 psi | 62% | 2260 fps | 97.1% |
| IMR 3031 | <<locked>> | 80% | 39,523 psi | 63% | 2306 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,694 psi | 57% | 2182 fps | 95% |
| IMR 4166 Enduron | <<locked>> | 90% | 52,214 psi | 83% | 2441 fps | 95.4% |
| IMR 4198 | <<locked>> | 80% | 49,647 psi | 79% | 2339 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 96% | 51,358 psi | 81% | 2457 fps | 95.1% |
| IMR 4831 | <<locked>> | 96% | 40,437 psi | 64% | 2349 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 36,738 psi | 58% | 2254 fps | 96% |
| IMR 8208 XBR | <<locked>> | 80% | 42,090 psi | 67% | 2306 fps | 98.5% |
| Lovex D073.5 | <<locked>> | 80% | 46,963 psi | 74% | 2379 fps | 99.7% |
| Lovex D073.6 | <<locked>> | 80% | 38,638 psi | 61% | 2277 fps | 99.1% |
| Lovex S060 | <<locked>> | 80% | 40,625 psi | 64% | 2244 fps | 97.1% |
| Lovex S062 | <<locked>> | 80% | 35,534 psi | 56% | 2192 fps | 97% |
| Lovex S065 | <<locked>> | 94% | 44,425 psi | 70% | 2356 fps | 95% |
| Norma 201 | <<locked>> | 80% | 39,334 psi | 62% | 2254 fps | 98% |
| Norma 202 | <<locked>> | 80% | 39,175 psi | 62% | 2264 fps | 99.5% |
| Norma 203B | <<locked>> | 80% | 35,346 psi | 56% | 2218 fps | 95.4% |
| Norma URP | <<locked>> | 94% | 39,900 psi | 63% | 2349 fps | 95.2% |
| Ramshot Big Game | 35.7 gr | 82% | 37,072 psi | 59% | 2274 fps | 95.7% |
| Ramshot TAC | <<locked>> | 82% | 44,657 psi | 71% | 2349 fps | 95.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 40,973 psi | 65% | 2316 fps | 97.1% |
| Ramshot X-Terminator | <<locked>> | 80% | 45,498 psi | 72% | 2349 fps | 98% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,179 psi | 41% | 1378 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 47,036 psi | 75% | 2382 fps | 99.8% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 50,546 psi | 80% | 2454 fps | 95.8% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 36,927 psi | 59% | 2303 fps | 95.2% |
| ReloadSwiss RS 60 | 34.3 gr | 80% | 30,632 psi | 49% | 2178 fps | 96.2% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 42,047 psi | 67% | 2415 fps | 95.6% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 45,687 psi | 72% | 2477 fps | 95.6% |
| Rottweil R 901 | <<locked>> | 80% | 42,960 psi | 68% | 2300 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 80% | 37,347 psi | 59% | 2208 fps | 97.5% |
| Rottweil R 903 | <<locked>> | 82% | 32,677 psi | 52% | 2165 fps | 95.3% |
| Shooters World Long Rifle | <<locked>> | 94% | 44,425 psi | 70% | 2356 fps | 95% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,638 psi | 61% | 2277 fps | 99.1% |
| Shooters World Precision | <<locked>> | 80% | 35,534 psi | 56% | 2192 fps | 97% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 49,763 psi | 79% | 2398 fps | 99.4% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 52,649 psi | 83% | 2470 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 36,071 psi | 57% | 2257 fps | 95.4% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 49,966 psi | 79% | 2392 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 42,598 psi | 68% | 2323 fps | 95.4% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,377 psi | 61% | 2257 fps | 96.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,857 psi | 65% | 2224 fps | 99.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,649 psi | 53% | 2103 fps | 99.3% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 50,531 psi | 80% | 2408 fps | 95% |
| Somchem S321 | <<locked>> | 80% | 45,208 psi | 72% | 2379 fps | 99.2% |
| Somchem S335 | <<locked>> | 80% | 40,466 psi | 64% | 2231 fps | 99.9% |
| Somchem S341 | <<locked>> | 80% | 39,726 psi | 63% | 2277 fps | 96.7% |
| Somchem S355 | <<locked>> | 82% | 33,939 psi | 54% | 2178 fps | 95.5% |
| Somchem S365 | <<locked>> | 90% | 31,415 psi | 50% | 2201 fps | 95.7% |
| Vihtavuori N130 | <<locked>> | 80% | 46,238 psi | 73% | 2290 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 41,017 psi | 65% | 2228 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 36,405 psi | 58% | 2205 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 37,159 psi | 59% | 2208 fps | 99.5% |
| Vihtavuori N150 | <<locked>> | 80% | 30,066 psi | 48% | 2077 fps | 95.6% |
| Vihtavuori N160 | <<locked>> | 94% | 41,930 psi | 66% | 2352 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 80% | 41,858 psi | 66% | 2297 fps | 98.5% |
| Vihtavuori N540 | <<locked>> | 80% | 35,781 psi | 57% | 2195 fps | 98.9% |
| Vihtavuori N550 | <<locked>> | 94% | 40,930 psi | 65% | 2352 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 34,983 psi | 55% | 2195 fps | 95.6% |
| Winchester 748 | <<locked>> | 80% | 41,046 psi | 65% | 2336 fps | 99% |
| Winchester StaBALL Match | <<locked>> | 80% | 37,536 psi | 59% | 2257 fps | 96.8% |
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 94 powders for .277 Fury Commercial loaded with the .277 | 150gr | Nosler Ballistic Silver Tip. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,654 fps; across all powders the maximum-charge window runs from 1,512 fps to 2,654 fps. Accurate 4350 gives the best case fill at 100 %, and 94 of the 94 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (435 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.277" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-17 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. Alliant Power Pro 2000-MR, ReloadSwiss RS 60, Ramshot Big Game rank at the top here: for .277 Fury Commercial with the .277 | 150gr | Nosler Ballistic Silver Tip 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.