Load Specifications
Bullet Manufacturer:TWENTY-NINE
Bullet Weight:250 gr
Bullet Diameter:0.338"
Bullet Length:<<locked>>
Caliber:.33 Nosler load data
Case Length (l3):2.46"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:96 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:24"
Max. allowed Pressure:65,000 psi
Recommended Twist Rate:1:10.5
Load data in caliber .33 Nosler with .338 | 250gr | TWENTY-NINE ERTP bullet and 111 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-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.
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% | 57,305 psi | 88% | 2448 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 56,884 psi | 88% | 2484 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 58,160 psi | 89% | 2543 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 58,798 psi | 90% | 2552 fps | 99.1% |
| Accurate 3100ᴾ | <<locked>> | 100% | 47,427 psi | 73% | 2487 fps | 99% |
| Accurate 4064 | <<locked>> | 88% | 57,116 psi | 88% | 2533 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 57,276 psi | 88% | 2631 fps | 100% |
| Accurate High Countryᴾ | <<locked>> | 100% | 51,547 psi | 79% | 2661 fps | 96.9% |
| ADI AR 2206H | <<locked>> | 84% | 56,492 psi | 87% | 2559 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 57,667 psi | 89% | 2566 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 54,781 psi | 84% | 2618 fps | 98.1% |
| ADI Benchmark 8208 | <<locked>> | 84% | 58,798 psi | 90% | 2552 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 57,058 psi | 88% | 2477 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 56,565 psi | 87% | 2680 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 54,650 psi | 84% | 2618 fps | 98.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 58,146 psi | 89% | 2582 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 58,494 psi | 90% | 2605 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 57,972 psi | 89% | 2680 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 55,506 psi | 85% | 2657 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 53,838 psi | 83% | 2608 fps | 98.1% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 47,239 psi | 73% | 2556 fps | 97.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 44,730 psi | 69% | 2507 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 39,218 psi | 60% | 2431 fps | 98.1% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 50,488 psi | 78% | 2674 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 56,463 psi | 87% | 2582 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 43,482 psi | 67% | 2487 fps | 95.9% |
| Bofors RP3 | <<locked>> | 88% | 55,347 psi | 85% | 2556 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 47,239 psi | 73% | 2556 fps | 97.1% |
| Bofors RP7 | <<locked>> | 94% | 58,479 psi | 90% | 2589 fps | 99.3% |
| Hodgdon Benchmark | <<locked>> | 82% | 56,869 psi | 87% | 2490 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 58,682 psi | 90% | 2585 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 55,796 psi | 86% | 2569 fps | 100% |
| Hodgdon H414 | <<locked>> | 94% | 55,985 psi | 86% | 2631 fps | 99.4% |
| Hodgdon H4350 | <<locked>> | 92% | 56,246 psi | 87% | 2595 fps | 98.6% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 52,605 psi | 81% | 2562 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 84% | 57,087 psi | 88% | 2566 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 58,117 psi | 89% | 2605 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 57,130 psi | 88% | 2602 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 56,144 psi | 86% | 2671 fps | 99.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,158 psi | 56% | 1539 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 58,233 psi | 90% | 2569 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 57,566 psi | 89% | 2539 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 57,087 psi | 88% | 2546 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 86% | 56,637 psi | 87% | 2536 fps | 99.4% |
| IMR 4350 | <<locked>> | 96% | 55,405 psi | 85% | 2566 fps | 99% |
| IMR 4451 Enduron | <<locked>> | 92% | 56,608 psi | 87% | 2566 fps | 99.3% |
| IMR 4831 | <<locked>> | 98% | 57,450 psi | 88% | 2618 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 56,376 psi | 87% | 2585 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 54,447 psi | 84% | 2556 fps | 96.4% |
| IMR 8208 XBR | <<locked>> | 84% | 58,798 psi | 90% | 2552 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 56,782 psi | 87% | 2536 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 55,608 psi | 86% | 2490 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 57,014 psi | 88% | 2539 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 56,463 psi | 87% | 2559 fps | 99.9% |
| Lovex S070 | <<locked>> | 96% | 57,653 psi | 89% | 2598 fps | 99.6% |
| Lovex S071ᴾ | <<locked>> | 100% | 39,465 psi | 61% | 2352 fps | 97.6% |
| Norma 201 | <<locked>> | 86% | 58,769 psi | 90% | 2549 fps | 100% |
| Norma 202 | <<locked>> | 84% | 56,014 psi | 86% | 2507 fps | 100% |
| Norma 203B | <<locked>> | 88% | 57,725 psi | 89% | 2592 fps | 100% |
| Norma 204 | <<locked>> | 96% | 56,246 psi | 87% | 2618 fps | 98.2% |
| Norma MRPᴾ | <<locked>> | 100% | 49,966 psi | 77% | 2631 fps | 98.8% |
| Norma URP | <<locked>> | 96% | 56,057 psi | 86% | 2618 fps | 100% |
| Ramshot Big Game | <<locked>> | 88% | 58,552 psi | 90% | 2618 fps | 100% |
| Ramshot Hunter | <<locked>> | 98% | 58,262 psi | 90% | 2667 fps | 99.9% |
| Ramshot TAC | <<locked>> | 82% | 55,390 psi | 85% | 2539 fps | 99.9% |
| Ramshot Wild Boar | <<locked>> | 82% | 55,201 psi | 85% | 2549 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,651 psi | 56% | 1575 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 56,057 psi | 86% | 2559 fps | 99.6% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 55,695 psi | 86% | 2621 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 55,376 psi | 85% | 2654 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 56,927 psi | 88% | 2654 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 55,608 psi | 86% | 2680 fps | 100% |
| Rottweil R 901 | <<locked>> | 82% | 56,333 psi | 87% | 2484 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 56,014 psi | 86% | 2507 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 55,201 psi | 85% | 2549 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 56,681 psi | 87% | 2592 fps | 97.4% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 52,663 psi | 81% | 2592 fps | 98.1% |
| Rottweil R 907 | <<locked>> | 94% | 58,479 psi | 90% | 2589 fps | 99.3% |
| Shooters World Long Rifle | <<locked>> | 94% | 56,463 psi | 87% | 2559 fps | 99.9% |
| Shooters World Match Rifle | <<locked>> | 84% | 56,782 psi | 87% | 2536 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 57,014 psi | 88% | 2539 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 57,653 psi | 89% | 2598 fps | 99.6% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 56,710 psi | 87% | 2605 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 57,885 psi | 89% | 2569 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 58,595 psi | 90% | 2582 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 56,347 psi | 87% | 2441 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 56,971 psi | 88% | 2444 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 56,347 psi | 87% | 2516 fps | 99.3% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 52,170 psi | 80% | 2589 fps | 98% |
| Somchem S335 | <<locked>> | 84% | 55,840 psi | 86% | 2441 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 57,508 psi | 88% | 2556 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 55,288 psi | 85% | 2543 fps | 100% |
| Somchem S361ᴾ | <<locked>> | 100% | 58,581 psi | 90% | 2589 fps | 96.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 58,276 psi | 90% | 2661 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 53,447 psi | 82% | 2572 fps | 98.7% |
| Vihtavuori N133 | <<locked>> | 84% | 56,753 psi | 87% | 2425 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 56,130 psi | 86% | 2467 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 56,521 psi | 87% | 2487 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 56,739 psi | 87% | 2523 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 58,421 psi | 90% | 2612 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 46,166 psi | 71% | 2454 fps | 97.1% |
| Vihtavuori N530 | <<locked>> | 82% | 55,666 psi | 86% | 2507 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 57,957 psi | 89% | 2526 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 57,174 psi | 88% | 2618 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 49,792 psi | 77% | 2572 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 58,247 psi | 90% | 2585 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 56,173 psi | 86% | 2552 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 56,246 psi | 87% | 2635 fps | 99.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 40,001 psi | 62% | 2546 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 86% | 58,711 psi | 90% | 2592 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 50,227 psi | 77% | 2520 fps | 97.3% |
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% | 54,012 psi | 83% | 2408 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 46,934 psi | 72% | 2359 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 54,563 psi | 84% | 2500 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 45,411 psi | 70% | 2359 fps | 97.1% |
| Accurate 3100 | <<locked>> | 90% | 33,794 psi | 52% | 2241 fps | 95.8% |
| Accurate 4064 | <<locked>> | 80% | 44,425 psi | 68% | 2362 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 33,156 psi | 51% | 2234 fps | 97.4% |
| Accurate High Country | <<locked>> | 96% | 44,947 psi | 69% | 2549 fps | 95.3% |
| ADI AR 2206H | <<locked>> | 80% | 49,850 psi | 77% | 2467 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 42,496 psi | 65% | 2339 fps | 99.6% |
| ADI AR 2209 | <<locked>> | 92% | 42,322 psi | 65% | 2415 fps | 95.3% |
| ADI Benchmark 8208 | <<locked>> | 80% | 51,953 psi | 80% | 2464 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 53,388 psi | 82% | 2434 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 46,093 psi | 71% | 2526 fps | 99.9% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 42,351 psi | 65% | 2418 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 42,540 psi | 65% | 2359 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 45,469 psi | 70% | 2418 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 80% | 33,127 psi | 51% | 2247 fps | 97.6% |
| Alliant Reloder-17 | 58.5 gr | 80% | 37,057 psi | 57% | 2359 fps | 99.7% |
| Alliant Reloder-19 | <<locked>> | 92% | 41,843 psi | 64% | 2411 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 96% | 41,553 psi | 64% | 2451 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 82% | 25,628 psi | 39% | 2080 fps | 95.8% |
| Alliant Reloder-25 | <<locked>> | 94% | 32,561 psi | 50% | 2277 fps | 95.6% |
| Alliant Reloder-26 | <<locked>> | 86% | 30,922 psi | 48% | 2280 fps | 96% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 49,458 psi | 76% | 2484 fps | 99.9% |
| Bofors RP15 | <<locked>> | 98% | 40,828 psi | 63% | 2438 fps | 95.1% |
| Bofors RP3 | <<locked>> | 80% | 42,467 psi | 65% | 2369 fps | 100% |
| Bofors RP5 | <<locked>> | 96% | 41,553 psi | 64% | 2451 fps | 95.5% |
| Bofors RP7 | <<locked>> | 80% | 37,927 psi | 58% | 2254 fps | 95.3% |
| Hodgdon Benchmark | <<locked>> | 80% | 53,476 psi | 82% | 2448 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 51,517 psi | 79% | 2497 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 43,018 psi | 66% | 2375 fps | 99.1% |
| Hodgdon H414 | <<locked>> | 80% | 35,331 psi | 54% | 2277 fps | 95.2% |
| Hodgdon H4350 | <<locked>> | 82% | 40,886 psi | 63% | 2346 fps | 95.4% |
| Hodgdon H4831 | <<locked>> | 98% | 49,255 psi | 76% | 2513 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 50,415 psi | 78% | 2477 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,530 psi | 47% | 2156 fps | 98.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 46,731 psi | 72% | 2461 fps | 100% |
| Hodgdon Superformance | 63.3 gr | 82% | 36,738 psi | 57% | 2336 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,992 psi | 42% | 1371 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 48,399 psi | 74% | 2434 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 50,894 psi | 78% | 2457 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 44,628 psi | 69% | 2369 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 80% | 47,021 psi | 72% | 2392 fps | 98.1% |
| IMR 4350 | <<locked>> | 84% | 38,261 psi | 59% | 2287 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 39,392 psi | 61% | 2283 fps | 96.3% |
| IMR 4831 | <<locked>> | 80% | 32,227 psi | 50% | 2201 fps | 97.2% |
| IMR 4895 | <<locked>> | 80% | 46,630 psi | 72% | 2444 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 48,080 psi | 74% | 2457 fps | 95% |
| IMR 8208 XBR | <<locked>> | 80% | 51,953 psi | 80% | 2464 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 49,676 psi | 76% | 2444 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 49,327 psi | 76% | 2402 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 44,730 psi | 69% | 2369 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 36,825 psi | 57% | 2238 fps | 97% |
| Lovex S070 | <<locked>> | 80% | 35,027 psi | 54% | 2221 fps | 95.3% |
| Lovex S071 | <<locked>> | 94% | 32,532 psi | 50% | 2215 fps | 95.3% |
| Norma 201 | <<locked>> | 80% | 48,878 psi | 75% | 2418 fps | 100% |
| Norma 202 | <<locked>> | 80% | 49,342 psi | 76% | 2418 fps | 100% |
| Norma 203B | <<locked>> | 80% | 44,846 psi | 69% | 2408 fps | 100% |
| Norma 204 | <<locked>> | 88% | 42,946 psi | 66% | 2411 fps | 95.5% |
| Norma MRP | <<locked>> | 90% | 35,723 psi | 55% | 2359 fps | 95% |
| Norma URP | <<locked>> | 80% | 33,315 psi | 51% | 2234 fps | 97.3% |
| Ramshot Big Game | <<locked>> | 80% | 44,846 psi | 69% | 2428 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 80% | 32,329 psi | 50% | 2221 fps | 95% |
| Ramshot TAC | <<locked>> | 80% | 51,909 psi | 80% | 2490 fps | 99.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 51,677 psi | 80% | 2500 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,325 psi | 42% | 1404 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 43,308 psi | 67% | 2362 fps | 98% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 48,617 psi | 75% | 2520 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 39,407 psi | 61% | 2411 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 32,837 psi | 51% | 2251 fps | 97% |
| ReloadSwiss RS 70 | 59.4 gr | 80% | 32,518 psi | 50% | 2254 fps | 96.1% |
| Rottweil R 901 | <<locked>> | 80% | 52,968 psi | 81% | 2441 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 46,514 psi | 72% | 2375 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 40,045 psi | 62% | 2323 fps | 99.9% |
| Rottweil R 904 | <<locked>> | 94% | 46,920 psi | 72% | 2448 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 92% | 40,596 psi | 62% | 2392 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 80% | 37,927 psi | 58% | 2254 fps | 95.3% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,825 psi | 57% | 2238 fps | 97% |
| Shooters World Match Rifle | <<locked>> | 80% | 49,676 psi | 76% | 2444 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 44,730 psi | 69% | 2369 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 35,027 psi | 54% | 2221 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 40,930 psi | 63% | 2369 fps | 99.7% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 50,589 psi | 78% | 2470 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 48,254 psi | 74% | 2441 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 49,966 psi | 77% | 2359 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 41,945 psi | 65% | 2247 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 36,114 psi | 56% | 2192 fps | 95.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 40,219 psi | 62% | 2388 fps | 95.1% |
| Somchem S335 | <<locked>> | 80% | 49,588 psi | 76% | 2362 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 50,328 psi | 77% | 2461 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 40,625 psi | 63% | 2323 fps | 99.8% |
| Somchem S361 | <<locked>> | 96% | 51,198 psi | 79% | 2487 fps | 95.4% |
| Somchem S365 | <<locked>> | 80% | 29,907 psi | 46% | 2195 fps | 99.1% |
| Somchem S385 | <<locked>> | 90% | 38,740 psi | 60% | 2333 fps | 95.6% |
| Vihtavuori N133 | <<locked>> | 80% | 50,415 psi | 78% | 2349 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 46,557 psi | 72% | 2346 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 46,789 psi | 72% | 2359 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 38,667 psi | 59% | 2260 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 34,664 psi | 53% | 2234 fps | 97.6% |
| Vihtavuori N165 | <<locked>> | 96% | 40,567 psi | 62% | 2356 fps | 95.6% |
| Vihtavuori N530 | <<locked>> | 80% | 52,199 psi | 80% | 2464 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 45,034 psi | 69% | 2356 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 34,156 psi | 53% | 2234 fps | 97.3% |
| Vihtavuori N555 | <<locked>> | 80% | 25,860 psi | 40% | 2096 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 34,142 psi | 53% | 2215 fps | 99.2% |
| Winchester 748 | <<locked>> | 80% | 52,460 psi | 81% | 2507 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 35,331 psi | 54% | 2277 fps | 95.2% |
| Winchester StaBALL HD | <<locked>> | 84% | 23,975 psi | 37% | 2096 fps | 95.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 48,211 psi | 74% | 2451 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 43,685 psi | 67% | 2415 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 111 powders for .33 Nosler loaded with the .338 | 250gr | TWENTY-NINE ERTP. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,680 fps; across all powders the maximum-charge window runs from 1,539 fps to 2,680 fps. Accurate 3100 gives the best case fill at 100 %, and 111 of the 111 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 250.0 gr projectile in 0.338" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate High Country, ADI AR 2209 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-17 rank at the top here: for .33 Nosler with the .338 | 250gr | TWENTY-NINE ERTP 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.