Load Specifications
Bullet Manufacturer:Rhino Bullets
Bullet Weight:215 gr
Bullet Diameter:0.31"
Bullet Length:<<locked>>
Case Length (l3):2.003"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:74 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:65,000 psi
Recommended Twist Rate:1:12.5
Load data in caliber .300 Rem. SA Ultra Mag. with .310 | 215gr | Rhino Solid Shank bullet and 115 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-16.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 58,610 psi | 90% | 2421 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 58,363 psi | 90% | 2454 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 56,492 psi | 87% | 2484 fps | 99.1% |
| Accurate 3100ᴾ | <<locked>> | 100% | 49,008 psi | 75% | 2470 fps | 99.4% |
| Accurate 4064 | <<locked>> | 88% | 58,407 psi | 90% | 2503 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 55,071 psi | 85% | 2562 fps | 100% |
| ADI AR 2206H | <<locked>> | 84% | 57,711 psi | 89% | 2533 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 55,579 psi | 86% | 2497 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 56,362 psi | 87% | 2602 fps | 98.7% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 50,343 psi | 77% | 2543 fps | 96.4% |
| ADI Benchmark 8208 | <<locked>> | 82% | 56,652 psi | 87% | 2484 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 58,305 psi | 90% | 2444 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 58,088 psi | 89% | 2654 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 55,941 psi | 86% | 2513 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 56,376 psi | 87% | 2536 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 55,883 psi | 86% | 2608 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 57,450 psi | 88% | 2638 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 55,317 psi | 85% | 2592 fps | 98.7% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 48,747 psi | 75% | 2543 fps | 97.8% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 45,963 psi | 71% | 2487 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 40,437 psi | 62% | 2421 fps | 98.8% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 52,228 psi | 80% | 2657 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 57,696 psi | 89% | 2556 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 44,933 psi | 69% | 2477 fps | 96.8% |
| Bofors RP3 | <<locked>> | 88% | 56,797 psi | 87% | 2530 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 48,747 psi | 75% | 2543 fps | 97.8% |
| Bofors RP7 | <<locked>> | 92% | 56,333 psi | 87% | 2520 fps | 99.3% |
| Hodgdon Benchmark | <<locked>> | 82% | 58,044 psi | 89% | 2461 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 82% | 56,463 psi | 87% | 2516 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 57,479 psi | 88% | 2549 fps | 100% |
| Hodgdon H414 | <<locked>> | 94% | 57,479 psi | 88% | 2608 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 92% | 57,566 psi | 89% | 2572 fps | 99.1% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 54,041 psi | 83% | 2546 fps | 96.6% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 52,823 psi | 81% | 2530 fps | 96.3% |
| Hodgdon H4895 | <<locked>> | 84% | 58,407 psi | 90% | 2539 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 56,217 psi | 86% | 2539 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 58,566 psi | 90% | 2575 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 57,740 psi | 89% | 2651 fps | 99.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,289 psi | 56% | 1516 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 56,043 psi | 86% | 2500 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 55,622 psi | 86% | 2470 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 58,595 psi | 90% | 2523 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 86% | 57,885 psi | 89% | 2513 fps | 99.6% |
| IMR 4350 | <<locked>> | 96% | 56,956 psi | 88% | 2549 fps | 99.4% |
| IMR 4451 Enduron | <<locked>> | 92% | 57,899 psi | 89% | 2543 fps | 99.6% |
| IMR 4831 | <<locked>> | 96% | 55,506 psi | 85% | 2552 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 57,856 psi | 89% | 2559 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 55,927 psi | 86% | 2539 fps | 97.1% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 47,776 psi | 74% | 2513 fps | 95.9% |
| IMR 8208 XBR | <<locked>> | 82% | 56,652 psi | 87% | 2484 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 58,189 psi | 90% | 2507 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 56,724 psi | 87% | 2464 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 58,610 psi | 90% | 2513 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 57,653 psi | 89% | 2536 fps | 100% |
| Lovex S070 | <<locked>> | 94% | 55,434 psi | 85% | 2530 fps | 99.6% |
| Lovex S071ᴾ | <<locked>> | 100% | 40,654 psi | 63% | 2339 fps | 98.2% |
| Norma 201 | <<locked>> | 84% | 56,623 psi | 87% | 2480 fps | 100% |
| Norma 202 | <<locked>> | 84% | 57,087 psi | 88% | 2474 fps | 100% |
| Norma 203B | <<locked>> | 86% | 55,593 psi | 86% | 2523 fps | 100% |
| Norma 204 | <<locked>> | 96% | 57,754 psi | 89% | 2598 fps | 98.8% |
| Norma MRPᴾ | <<locked>> | 100% | 51,576 psi | 79% | 2618 fps | 99.3% |
| Norma URP | <<locked>> | 96% | 57,624 psi | 89% | 2595 fps | 100% |
| Ramshot Big Game | <<locked>> | 86% | 56,115 psi | 86% | 2546 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 47,834 psi | 74% | 2526 fps | 96.3% |
| Ramshot Hunter | <<locked>> | 96% | 56,260 psi | 87% | 2602 fps | 99.9% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 42,467 psi | 65% | 2418 fps | 96.8% |
| Ramshot TAC | <<locked>> | 82% | 56,608 psi | 87% | 2513 fps | 100% |
| Ramshot Wild Boar | <<locked>> | 82% | 56,550 psi | 87% | 2523 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,738 psi | 57% | 1549 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 57,334 psi | 88% | 2536 fps | 99.8% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 57,290 psi | 88% | 2595 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 56,753 psi | 87% | 2625 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 58,595 psi | 90% | 2631 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 57,406 psi | 88% | 2661 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 39,073 psi | 60% | 2428 fps | 96.6% |
| Rottweil R 901 | <<locked>> | 82% | 57,450 psi | 88% | 2454 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 57,159 psi | 88% | 2480 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 56,623 psi | 87% | 2523 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 58,189 psi | 90% | 2575 fps | 98% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 54,288 psi | 84% | 2575 fps | 98.6% |
| Rottweil R 907 | <<locked>> | 92% | 56,333 psi | 87% | 2520 fps | 99.3% |
| Shooters World Long Rifle | <<locked>> | 94% | 57,653 psi | 89% | 2536 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 84% | 58,189 psi | 90% | 2507 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 58,610 psi | 90% | 2513 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 55,434 psi | 85% | 2530 fps | 99.6% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 58,363 psi | 90% | 2582 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 55,317 psi | 85% | 2497 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 56,144 psi | 86% | 2510 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 57,624 psi | 89% | 2415 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 58,320 psi | 90% | 2418 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 57,653 psi | 89% | 2497 fps | 99.6% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 53,795 psi | 83% | 2572 fps | 98.6% |
| Somchem S335 | <<locked>> | 84% | 57,188 psi | 88% | 2415 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 58,755 psi | 90% | 2526 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 56,826 psi | 87% | 2520 fps | 100% |
| Somchem S361 | <<locked>> | 98% | 56,246 psi | 87% | 2523 fps | 96.9% |
| Somchem S365 | <<locked>> | 98% | 56,231 psi | 87% | 2592 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 55,085 psi | 85% | 2556 fps | 99.2% |
| Vihtavuori N133 | <<locked>> | 84% | 58,059 psi | 89% | 2395 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 57,450 psi | 88% | 2438 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 57,928 psi | 89% | 2457 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 58,189 psi | 90% | 2497 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 56,202 psi | 86% | 2543 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 47,529 psi | 73% | 2438 fps | 97.8% |
| Vihtavuori N530 | <<locked>> | 82% | 57,087 psi | 88% | 2484 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 55,927 psi | 86% | 2461 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 55,216 psi | 85% | 2549 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 51,605 psi | 79% | 2556 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 52,228 psi | 80% | 2605 fps | 96.7% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 55,709 psi | 86% | 2513 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 57,609 psi | 89% | 2526 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 57,754 psi | 89% | 2615 fps | 99.7% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 41,466 psi | 64% | 2536 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 56,391 psi | 87% | 2520 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 51,605 psi | 79% | 2500 fps | 97.9% |
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% | 55,187 psi | 85% | 2382 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 48,196 psi | 74% | 2333 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 46,296 psi | 71% | 2336 fps | 97.7% |
| Accurate 3100 | <<locked>> | 86% | 30,603 psi | 47% | 2136 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 45,629 psi | 70% | 2339 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 34,258 psi | 53% | 2224 fps | 98.1% |
| ADI AR 2206H | <<locked>> | 80% | 51,024 psi | 78% | 2444 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 43,555 psi | 67% | 2320 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 90% | 40,814 psi | 63% | 2352 fps | 95.4% |
| ADI AR 2213 | <<locked>> | 98% | 47,079 psi | 72% | 2487 fps | 95.6% |
| ADI Benchmark 8208 | <<locked>> | 80% | 53,113 psi | 82% | 2438 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 54,752 psi | 84% | 2408 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 47,195 psi | 73% | 2503 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 43,743 psi | 67% | 2343 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 46,630 psi | 72% | 2398 fps | 100% |
| Alliant Reloder-16 | 45 gr | 80% | 33,910 psi | 52% | 2234 fps | 98.3% |
| Alliant Reloder-17 | <<locked>> | 80% | 38,058 psi | 59% | 2343 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 40,350 psi | 62% | 2349 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 94% | 40,190 psi | 62% | 2392 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 24,729 psi | 38% | 2024 fps | 95.9% |
| Alliant Reloder-25 | <<locked>> | 92% | 31,604 psi | 49% | 2221 fps | 95.8% |
| Alliant Reloder-26 | <<locked>> | 84% | 29,849 psi | 46% | 2221 fps | 96% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 50,502 psi | 78% | 2461 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 39,595 psi | 61% | 2379 fps | 95.2% |
| Bofors RP3 | <<locked>> | 80% | 43,656 psi | 67% | 2349 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 40,190 psi | 62% | 2392 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 38,928 psi | 60% | 2241 fps | 96.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 54,476 psi | 84% | 2418 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 52,649 psi | 81% | 2467 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 44,164 psi | 68% | 2356 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 80% | 36,274 psi | 56% | 2264 fps | 96% |
| Hodgdon H4350 | <<locked>> | 80% | 39,378 psi | 61% | 2280 fps | 95.5% |
| Hodgdon H4831 | <<locked>> | 96% | 47,210 psi | 73% | 2444 fps | 95% |
| Hodgdon H4831 SC | <<locked>> | 98% | 49,371 psi | 76% | 2477 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 51,619 psi | 79% | 2451 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 31,401 psi | 48% | 2142 fps | 98.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 48,095 psi | 74% | 2441 fps | 100% |
| Hodgdon Superformance | 51.2 gr | 80% | 35,201 psi | 54% | 2267 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,108 psi | 42% | 1352 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 49,501 psi | 76% | 2408 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 52,257 psi | 80% | 2431 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 45,803 psi | 70% | 2349 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 48,066 psi | 74% | 2372 fps | 98.6% |
| IMR 4350 | <<locked>> | 82% | 36,811 psi | 57% | 2221 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 40,306 psi | 62% | 2267 fps | 97% |
| IMR 4831 | <<locked>> | 80% | 33,127 psi | 51% | 2185 fps | 97.8% |
| IMR 4895 | <<locked>> | 80% | 47,819 psi | 74% | 2425 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 46,325 psi | 71% | 2395 fps | 95% |
| IMR 7828 SSC | <<locked>> | 98% | 44,904 psi | 69% | 2464 fps | 95.1% |
| IMR 8208 XBR | <<locked>> | 80% | 53,113 psi | 82% | 2438 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 50,995 psi | 78% | 2418 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 50,502 psi | 78% | 2379 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 45,948 psi | 71% | 2346 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 37,753 psi | 58% | 2224 fps | 97.7% |
| Lovex S070 | <<locked>> | 80% | 35,955 psi | 55% | 2205 fps | 96.1% |
| Lovex S071 | <<locked>> | 92% | 31,676 psi | 49% | 2159 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 50,009 psi | 77% | 2395 fps | 100% |
| Norma 202 | <<locked>> | 80% | 50,662 psi | 78% | 2395 fps | 100% |
| Norma 203B | <<locked>> | 80% | 45,992 psi | 71% | 2388 fps | 100% |
| Norma 204 | <<locked>> | 86% | 41,278 psi | 64% | 2346 fps | 95.5% |
| Norma MRP | <<locked>> | 88% | 34,592 psi | 53% | 2300 fps | 95.1% |
| Norma URP | <<locked>> | 80% | 34,330 psi | 53% | 2221 fps | 98% |
| Ramshot Big Game | <<locked>> | 80% | 45,919 psi | 71% | 2408 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 44,599 psi | 69% | 2470 fps | 95.4% |
| Ramshot Hunter | <<locked>> | 80% | 33,272 psi | 51% | 2208 fps | 95.9% |
| Ramshot Magnum | <<locked>> | 98% | 39,624 psi | 61% | 2365 fps | 95.9% |
| Ramshot TAC | <<locked>> | 80% | 52,939 psi | 81% | 2464 fps | 99.9% |
| Ramshot Wild Boar | <<locked>> | 80% | 53,069 psi | 82% | 2477 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,586 psi | 42% | 1385 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 44,411 psi | 68% | 2346 fps | 98.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 49,966 psi | 77% | 2500 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 40,495 psi | 62% | 2388 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 33,852 psi | 52% | 2238 fps | 97.7% |
| ReloadSwiss RS 70 | 49.2 gr | 80% | 33,272 psi | 51% | 2241 fps | 97% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 36,434 psi | 56% | 2369 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 80% | 54,186 psi | 83% | 2411 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 47,776 psi | 74% | 2356 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 41,176 psi | 63% | 2303 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 45,150 psi | 69% | 2382 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 90% | 39,204 psi | 60% | 2333 fps | 95.4% |
| Rottweil R 907 | <<locked>> | 80% | 38,928 psi | 60% | 2241 fps | 96.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 37,753 psi | 58% | 2224 fps | 97.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 50,995 psi | 78% | 2418 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 45,948 psi | 71% | 2346 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 35,955 psi | 55% | 2205 fps | 96.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 42,090 psi | 65% | 2349 fps | 99.9% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 51,822 psi | 80% | 2448 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 49,458 psi | 76% | 2418 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 50,995 psi | 78% | 2333 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 42,946 psi | 66% | 2224 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 36,912 psi | 57% | 2172 fps | 96.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 38,841 psi | 60% | 2326 fps | 95.2% |
| Somchem S335 | <<locked>> | 80% | 50,647 psi | 78% | 2336 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 51,416 psi | 79% | 2434 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 41,669 psi | 64% | 2303 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 49,472 psi | 76% | 2428 fps | 95.5% |
| Somchem S365 | <<locked>> | 80% | 30,937 psi | 48% | 2185 fps | 99.6% |
| Somchem S385 | <<locked>> | 88% | 37,391 psi | 58% | 2270 fps | 95.7% |
| Vihtavuori N133 | <<locked>> | 80% | 51,532 psi | 79% | 2320 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 47,703 psi | 73% | 2323 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 47,921 psi | 74% | 2336 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 39,697 psi | 61% | 2241 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 35,679 psi | 55% | 2218 fps | 98.3% |
| Vihtavuori N165 | <<locked>> | 94% | 39,131 psi | 60% | 2293 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 80% | 53,432 psi | 82% | 2438 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 46,151 psi | 71% | 2333 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 35,128 psi | 54% | 2221 fps | 98% |
| Vihtavuori N555 | <<locked>> | 80% | 26,789 psi | 41% | 2087 fps | 96% |
| Vihtavuori N560 | <<locked>> | 96% | 45,788 psi | 70% | 2500 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 34,911 psi | 54% | 2195 fps | 99.6% |
| Winchester 748 | <<locked>> | 80% | 53,983 psi | 83% | 2484 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 36,492 psi | 56% | 2267 fps | 96.1% |
| Winchester StaBALL HD | <<locked>> | 82% | 23,192 psi | 36% | 2041 fps | 95.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 49,255 psi | 76% | 2425 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 39,378 psi | 61% | 2303 fps | 95% |
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 115 powders for .300 Rem. SA Ultra Mag. loaded with the .310 | 215gr | Rhino Solid Shank. ReloadSwiss RS 70 delivers the highest muzzle velocity at 2,661 fps; across all powders the maximum-charge window runs from 1,516 fps to 2,661 fps. Accurate 3100 gives the best case fill at 100 %, and 115 of the 115 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 215.0 gr projectile in 0.31" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, ADI AR 2213 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 70, Hodgdon Superformance, Alliant Reloder-16 rank at the top here: for .300 Rem. SA Ultra Mag. with the .310 | 215gr | Rhino Solid Shank 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.