Load Specifications
Load data in caliber 7.62 x 54 R Russian Nagant with .310 | 200gr | Rhino Penetrator 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 Alliant Reloder-17.
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>> | 86% | 51,097 psi | 90% | 2352 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 49,226 psi | 87% | 2372 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 48,298 psi | 85% | 2369 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 50,734 psi | 90% | 2428 fps | 100% |
| Accurate 4064 | <<locked>> | 92% | 48,501 psi | 86% | 2408 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 46,601 psi | 82% | 2454 fps | 98.4% |
| ADI AR 2206H | <<locked>> | 88% | 50,009 psi | 88% | 2431 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 94% | 50,807 psi | 90% | 2428 fps | 99.2% |
| ADI Benchmark 8208 | <<locked>> | 86% | 49,530 psi | 88% | 2395 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 86% | 49,240 psi | 87% | 2379 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 50,749 psi | 90% | 2480 fps | 99.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 48,979 psi | 87% | 2523 fps | 99.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 50,140 psi | 89% | 2448 fps | 99.9% |
| Alliant Reloder-10x | <<locked>> | 82% | 50,995 psi | 90% | 2356 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 51,024 psi | 90% | 2467 fps | 99.4% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 46,514 psi | 82% | 2461 fps | 98.6% |
| Alliant Reloder-17 | <<locked>> | 98% | 50,067 psi | 89% | 2546 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 32,808 psi | 58% | 2224 fps | 96.2% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 49,545 psi | 88% | 2444 fps | 98.9% |
| Bofors RP3 | <<locked>> | 94% | 50,183 psi | 89% | 2461 fps | 99.9% |
| Hodgdon Benchmark | <<locked>> | 84% | 48,472 psi | 86% | 2339 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 51,140 psi | 90% | 2464 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 84% | 49,356 psi | 87% | 2497 fps | 99.3% |
| Hodgdon H322 | <<locked>> | 82% | 50,082 psi | 89% | 2392 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 50,589 psi | 89% | 2411 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 48,370 psi | 86% | 2421 fps | 98.2% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 50,473 psi | 89% | 2507 fps | 96.6% |
| Hodgdon H4895 | <<locked>> | 88% | 50,401 psi | 89% | 2441 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 42,627 psi | 75% | 2359 fps | 99% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 48,762 psi | 86% | 2467 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,911 psi | 62% | 1463 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 48,747 psi | 86% | 2402 fps | 99.6% |
| IMR 3031 | <<locked>> | 88% | 49,647 psi | 88% | 2431 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 50,386 psi | 89% | 2415 fps | 99.3% |
| IMR 4166 Enduron | <<locked>> | 88% | 47,979 psi | 85% | 2349 fps | 95.8% |
| IMR 4451 Enduron | <<locked>> | 96% | 50,154 psi | 89% | 2411 fps | 96.2% |
| IMR 4831ᴾ | <<locked>> | 100% | 44,556 psi | 79% | 2405 fps | 98.1% |
| IMR 4895 | <<locked>> | 90% | 49,182 psi | 87% | 2451 fps | 99.6% |
| IMR 8208 XBR | <<locked>> | 86% | 49,530 psi | 88% | 2395 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 82% | 49,124 psi | 87% | 2382 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 48,979 psi | 87% | 2415 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 50,459 psi | 89% | 2372 fps | 99.6% |
| Lovex S062 | <<locked>> | 92% | 49,922 psi | 88% | 2415 fps | 100% |
| Lovex S065 | <<locked>> | 98% | 48,965 psi | 87% | 2405 fps | 97.5% |
| Lovex S070ᴾ | <<locked>> | 100% | 49,298 psi | 87% | 2428 fps | 96.5% |
| Norma 201 | <<locked>> | 88% | 48,936 psi | 87% | 2385 fps | 99.9% |
| Norma 202 | <<locked>> | 88% | 49,081 psi | 87% | 2392 fps | 100% |
| Norma 203B | <<locked>> | 92% | 50,183 psi | 89% | 2457 fps | 99.6% |
| Norma URPᴾ | <<locked>> | 100% | 46,586 psi | 82% | 2448 fps | 98.3% |
| Ramshot Big Game | <<locked>> | 92% | 50,154 psi | 89% | 2477 fps | 99.5% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 46,137 psi | 82% | 2444 fps | 96.5% |
| Ramshot TAC | <<locked>> | 86% | 49,530 psi | 88% | 2402 fps | 97.8% |
| Ramshot Wild Boar | <<locked>> | 86% | 48,617 psi | 86% | 2421 fps | 99.4% |
| Ramshot X-Terminator | <<locked>> | 84% | 50,430 psi | 89% | 2395 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,230 psi | 62% | 1499 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 49,211 psi | 87% | 2382 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 49,023 psi | 87% | 2405 fps | 96.8% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 50,444 psi | 89% | 2520 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 50,285 psi | 89% | 2552 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 46,528 psi | 82% | 2477 fps | 98.2% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 47,529 psi | 84% | 2493 fps | 97.7% |
| Rottweil R 901 | <<locked>> | 86% | 50,372 psi | 89% | 2379 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 49,240 psi | 87% | 2382 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 96% | 50,053 psi | 88% | 2451 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 98% | 48,965 psi | 87% | 2405 fps | 97.5% |
| Shooters World Match Rifle | <<locked>> | 88% | 48,979 psi | 87% | 2415 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 49,922 psi | 88% | 2415 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 49,298 psi | 87% | 2428 fps | 96.5% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 48,631 psi | 86% | 2461 fps | 99.4% |
| SNPE Vectan SP 3 | <<locked>> | 88% | 51,126 psi | 90% | 2329 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 50,879 psi | 90% | 2428 fps | 98.4% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 48,559 psi | 86% | 2408 fps | 99.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 51,111 psi | 90% | 2343 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 50,386 psi | 89% | 2339 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 49,066 psi | 87% | 2362 fps | 96.1% |
| Somchem S321 | <<locked>> | 84% | 50,067 psi | 89% | 2421 fps | 100% |
| Somchem S335 | <<locked>> | 88% | 50,067 psi | 89% | 2339 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 50,618 psi | 89% | 2428 fps | 99.5% |
| Somchem S355 | <<locked>> | 96% | 50,865 psi | 90% | 2451 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 41,655 psi | 74% | 2408 fps | 99.7% |
| Vihtavuori N130 | <<locked>> | 84% | 51,010 psi | 90% | 2313 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 51,126 psi | 90% | 2329 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 48,631 psi | 86% | 2362 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 49,690 psi | 88% | 2375 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 48,994 psi | 87% | 2395 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 49,095 psi | 87% | 2448 fps | 98.6% |
| Vihtavuori N530 | <<locked>> | 86% | 49,676 psi | 88% | 2392 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 92% | 50,836 psi | 90% | 2415 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 48,327 psi | 85% | 2457 fps | 98.4% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 34,693 psi | 61% | 2290 fps | 96.2% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 50,256 psi | 89% | 2441 fps | 99.8% |
| Winchester 748 | <<locked>> | 86% | 48,950 psi | 87% | 2434 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 50,473 psi | 89% | 2507 fps | 96.6% |
| Winchester StaBALL Match | <<locked>> | 90% | 50,981 psi | 90% | 2457 fps | 99.8% |
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% | 42,409 psi | 75% | 2234 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 45,992 psi | 81% | 2326 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 35,143 psi | 62% | 2169 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 41,292 psi | 73% | 2290 fps | 99.9% |
| Accurate 4064 | <<locked>> | 80% | 33,228 psi | 59% | 2159 fps | 99.6% |
| Accurate 4350 | <<locked>> | 92% | 35,462 psi | 63% | 2264 fps | 95.8% |
| ADI AR 2206H | <<locked>> | 80% | 39,088 psi | 69% | 2251 fps | 97.9% |
| ADI AR 2208 | <<locked>> | 80% | 33,359 psi | 59% | 2123 fps | 95.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 41,118 psi | 73% | 2264 fps | 99.2% |
| Alliant AR-Comp | <<locked>> | 80% | 40,089 psi | 71% | 2254 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 47,659 psi | 84% | 2434 fps | 99.7% |
| Alliant Power Pro 2000-MR | 39.9 gr | 80% | 35,070 psi | 62% | 2257 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,489 psi | 57% | 2142 fps | 97.1% |
| Alliant Reloder-10x | <<locked>> | 80% | 48,254 psi | 85% | 2320 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 35,012 psi | 62% | 2192 fps | 96.3% |
| Alliant Reloder-16 | <<locked>> | 90% | 34,621 psi | 61% | 2231 fps | 95.1% |
| Alliant Reloder-17 | 40.3 gr | 82% | 29,907 psi | 53% | 2146 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 98% | 30,980 psi | 55% | 2178 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 37,782 psi | 67% | 2247 fps | 96.5% |
| Bofors RP3 | <<locked>> | 80% | 31,705 psi | 56% | 2139 fps | 97% |
| Hodgdon Benchmark | <<locked>> | 80% | 43,091 psi | 76% | 2257 fps | 99.7% |
| Hodgdon BL-C2 | <<locked>> | 80% | 39,131 psi | 69% | 2277 fps | 99.3% |
| Hodgdon CFE223 | <<locked>> | 80% | 43,091 psi | 76% | 2395 fps | 98.4% |
| Hodgdon H322 | <<locked>> | 80% | 46,731 psi | 83% | 2346 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 47,311 psi | 84% | 2369 fps | 100% |
| Hodgdon H380 | <<locked>> | 84% | 37,333 psi | 66% | 2234 fps | 95.6% |
| Hodgdon H414 | <<locked>> | 96% | 44,106 psi | 78% | 2405 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 39,407 psi | 70% | 2264 fps | 98.5% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 29,588 psi | 52% | 2093 fps | 95.1% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,085 psi | 62% | 2228 fps | 97.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,846 psi | 46% | 1302 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 37,710 psi | 67% | 2218 fps | 98% |
| IMR 3031 | <<locked>> | 80% | 38,348 psi | 68% | 2264 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 34,940 psi | 62% | 2152 fps | 96.3% |
| IMR 4166 Enduron | <<locked>> | 86% | 45,237 psi | 80% | 2303 fps | 95.1% |
| IMR 4451 Enduron | <<locked>> | 94% | 47,268 psi | 84% | 2369 fps | 95.5% |
| IMR 4831 | <<locked>> | 92% | 34,548 psi | 61% | 2224 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 35,810 psi | 63% | 2221 fps | 97.2% |
| IMR 8208 XBR | <<locked>> | 80% | 41,118 psi | 73% | 2264 fps | 99.2% |
| Lovex D073.5 | <<locked>> | 80% | 45,934 psi | 81% | 2336 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 37,405 psi | 66% | 2234 fps | 99.6% |
| Lovex S060 | <<locked>> | 80% | 39,842 psi | 70% | 2205 fps | 98.1% |
| Lovex S062 | <<locked>> | 80% | 34,737 psi | 61% | 2159 fps | 98.1% |
| Lovex S065 | <<locked>> | 92% | 41,002 psi | 72% | 2277 fps | 95.6% |
| Lovex S070 | <<locked>> | 96% | 43,700 psi | 77% | 2343 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 38,406 psi | 68% | 2215 fps | 98.8% |
| Norma 202 | <<locked>> | 80% | 38,450 psi | 68% | 2228 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 34,403 psi | 61% | 2185 fps | 96.7% |
| Norma URP | <<locked>> | 92% | 36,245 psi | 64% | 2264 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 33,663 psi | 60% | 2188 fps | 96.1% |
| Ramshot Hunter | <<locked>> | 98% | 43,192 psi | 76% | 2395 fps | 95.7% |
| Ramshot TAC | <<locked>> | 80% | 40,857 psi | 72% | 2260 fps | 95.8% |
| Ramshot Wild Boar | <<locked>> | 80% | 39,871 psi | 70% | 2277 fps | 98.1% |
| Ramshot X-Terminator | <<locked>> | 80% | 44,367 psi | 78% | 2303 fps | 98.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,223 psi | 46% | 1339 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 45,992 psi | 81% | 2333 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 43,323 psi | 77% | 2313 fps | 95.4% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 36,013 psi | 64% | 2274 fps | 96.6% |
| ReloadSwiss RS 60 | 39.3 gr | 80% | 29,791 psi | 53% | 2156 fps | 97.7% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 35,723 psi | 63% | 2280 fps | 95.2% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 38,972 psi | 69% | 2336 fps | 95.1% |
| Rottweil R 901 | <<locked>> | 80% | 42,148 psi | 75% | 2254 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 36,376 psi | 64% | 2172 fps | 98.4% |
| Rottweil R 903 | <<locked>> | 80% | 29,878 psi | 53% | 2090 fps | 95.9% |
| Shooters World Long Rifle | <<locked>> | 92% | 41,002 psi | 72% | 2277 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 37,405 psi | 66% | 2234 fps | 99.6% |
| Shooters World Precision | <<locked>> | 80% | 34,737 psi | 61% | 2159 fps | 98.1% |
| Shooters World SW4350 | <<locked>> | 96% | 43,700 psi | 77% | 2343 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 30,995 psi | 55% | 2133 fps | 95.2% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 39,987 psi | 71% | 2175 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 38,856 psi | 69% | 2234 fps | 95.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 37,536 psi | 66% | 2224 fps | 97.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 39,827 psi | 70% | 2178 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,779 psi | 58% | 2064 fps | 99.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 46,006 psi | 81% | 2320 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 43,888 psi | 78% | 2329 fps | 99.7% |
| Somchem S335 | <<locked>> | 80% | 39,552 psi | 70% | 2185 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 38,464 psi | 68% | 2234 fps | 97.7% |
| Somchem S355 | <<locked>> | 80% | 31,024 psi | 55% | 2103 fps | 96.1% |
| Somchem S365 | <<locked>> | 86% | 26,977 psi | 48% | 2080 fps | 95.4% |
| Vihtavuori N130 | <<locked>> | 80% | 45,179 psi | 80% | 2238 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 39,987 psi | 71% | 2175 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 35,360 psi | 63% | 2162 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,361 psi | 64% | 2172 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 29,385 psi | 52% | 2051 fps | 97% |
| Vihtavuori N160 | <<locked>> | 90% | 35,911 psi | 63% | 2224 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 40,988 psi | 72% | 2257 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 80% | 34,824 psi | 62% | 2159 fps | 99.5% |
| Vihtavuori N550 | <<locked>> | 90% | 35,027 psi | 62% | 2224 fps | 95% |
| Vihtavuori N555 | <<locked>> | 98% | 32,619 psi | 58% | 2244 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 29,863 psi | 53% | 2067 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 39,856 psi | 70% | 2293 fps | 99.6% |
| Winchester 760 | <<locked>> | 96% | 44,382 psi | 78% | 2408 fps | 95.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 36,622 psi | 65% | 2224 fps | 97.9% |
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 94 powders for 7.62 x 54 R Russian Nagant loaded with the .310 | 200gr | Rhino Penetrator. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,552 fps; across all powders the maximum-charge window runs from 1,463 fps to 2,552 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 (390 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 200.0 gr projectile in 0.31" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-23 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, Alliant Reloder-17 rank at the top here: for 7.62 x 54 R Russian Nagant with the .310 | 200gr | Rhino Penetrator 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.