Load Specifications
Bullet Manufacturer:Barnes
Bullet Weight:225 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:1:12.5
Load data in caliber .33 Nosler with .338 | 225gr | Barnes Solid BT bullet and 109 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% | 56,652 psi | 87% | 2602 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 55,912 psi | 86% | 2631 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 57,421 psi | 88% | 2697 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 58,001 psi | 89% | 2697 fps | 98.6% |
| Accurate 3100ᴾ | <<locked>> | 100% | 46,543 psi | 72% | 2618 fps | 98.3% |
| Accurate 4064 | <<locked>> | 88% | 56,144 psi | 86% | 2684 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 56,260 psi | 87% | 2779 fps | 100% |
| ADI AR 2206H | <<locked>> | 84% | 55,666 psi | 86% | 2710 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 56,695 psi | 87% | 2713 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 54,041 psi | 83% | 2762 fps | 97.3% |
| ADI Benchmark 8208 | <<locked>> | 84% | 57,957 psi | 89% | 2707 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 55,898 psi | 86% | 2628 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 55,622 psi | 86% | 2835 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 53,795 psi | 83% | 2759 fps | 97.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 57,145 psi | 88% | 2736 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 57,609 psi | 89% | 2759 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 57,058 psi | 88% | 2831 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 94% | 58,494 psi | 90% | 2864 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 52,997 psi | 82% | 2753 fps | 97.3% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 46,572 psi | 72% | 2690 fps | 96% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 43,816 psi | 67% | 2641 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 38,653 psi | 59% | 2552 fps | 97.1% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 49,676 psi | 76% | 2815 fps | 99.8% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 55,550 psi | 85% | 2730 fps | 100% |
| Bofors RP3 | <<locked>> | 90% | 57,972 psi | 89% | 2753 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 46,572 psi | 72% | 2690 fps | 96% |
| Bofors RP7 | <<locked>> | 94% | 57,609 psi | 89% | 2733 fps | 98.7% |
| Hodgdon Benchmark | <<locked>> | 82% | 55,999 psi | 86% | 2641 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 57,827 psi | 89% | 2740 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 54,969 psi | 85% | 2720 fps | 99.8% |
| Hodgdon H414 | <<locked>> | 96% | 58,653 psi | 90% | 2828 fps | 99.3% |
| Hodgdon H4350 | <<locked>> | 92% | 55,259 psi | 85% | 2736 fps | 97.9% |
| Hodgdon H4895 | <<locked>> | 84% | 56,246 psi | 87% | 2720 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 57,000 psi | 88% | 2756 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 56,231 psi | 87% | 2756 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 55,245 psi | 85% | 2812 fps | 98.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,071 psi | 55% | 1650 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 57,392 psi | 88% | 2723 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 56,724 psi | 87% | 2697 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 56,318 psi | 87% | 2700 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 86% | 55,738 psi | 86% | 2680 fps | 98.9% |
| IMR 4350 | <<locked>> | 98% | 58,160 psi | 89% | 2762 fps | 98.8% |
| IMR 4451 Enduron | <<locked>> | 92% | 55,985 psi | 86% | 2713 fps | 98.9% |
| IMR 4831 | <<locked>> | 98% | 56,594 psi | 87% | 2769 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 55,492 psi | 85% | 2736 fps | 100% |
| IMR 8208 XBR | <<locked>> | 84% | 57,957 psi | 89% | 2707 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 55,753 psi | 86% | 2687 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 58,349 psi | 90% | 2687 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 56,231 psi | 87% | 2690 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 55,651 psi | 86% | 2707 fps | 99.6% |
| Lovex S070 | <<locked>> | 96% | 56,652 psi | 87% | 2743 fps | 99.2% |
| Lovex S071ᴾ | <<locked>> | 100% | 38,595 psi | 59% | 2474 fps | 96.5% |
| Norma 201 | <<locked>> | 86% | 57,899 psi | 89% | 2703 fps | 100% |
| Norma 202 | <<locked>> | 86% | 58,653 psi | 90% | 2703 fps | 100% |
| Norma 203B | <<locked>> | 88% | 56,840 psi | 87% | 2746 fps | 100% |
| Norma 204 | <<locked>> | 96% | 55,201 psi | 85% | 2759 fps | 97.4% |
| Norma MRPᴾ | <<locked>> | 100% | 49,139 psi | 76% | 2769 fps | 98% |
| Norma URP | <<locked>> | 98% | 58,697 psi | 90% | 2815 fps | 100% |
| Ramshot Big Game | <<locked>> | 88% | 57,609 psi | 89% | 2772 fps | 100% |
| Ramshot Hunter | <<locked>> | 98% | 57,450 psi | 88% | 2818 fps | 99.6% |
| Ramshot TAC | <<locked>> | 84% | 58,218 psi | 90% | 2736 fps | 99.8% |
| Ramshot Wild Boar | <<locked>> | 84% | 58,175 psi | 89% | 2749 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 82% | 58,610 psi | 90% | 2710 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,477 psi | 56% | 1686 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 58,813 psi | 90% | 2756 fps | 99.5% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 58,566 psi | 90% | 2825 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 58,059 psi | 89% | 2854 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 55,840 psi | 86% | 2802 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 58,653 psi | 90% | 2884 fps | 100% |
| Rottweil R 901 | <<locked>> | 84% | 58,813 psi | 90% | 2680 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 58,363 psi | 90% | 2700 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 57,856 psi | 89% | 2746 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 55,738 psi | 86% | 2733 fps | 96.5% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 51,909 psi | 80% | 2733 fps | 97.2% |
| Rottweil R 907 | <<locked>> | 94% | 57,609 psi | 89% | 2733 fps | 98.7% |
| Shooters World Long Rifle | <<locked>> | 94% | 55,651 psi | 86% | 2707 fps | 99.6% |
| Shooters World Match Rifle | <<locked>> | 84% | 55,753 psi | 86% | 2687 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 56,231 psi | 87% | 2690 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 56,652 psi | 87% | 2743 fps | 99.2% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 55,970 psi | 86% | 2756 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 57,000 psi | 88% | 2717 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 57,638 psi | 89% | 2733 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 55,666 psi | 86% | 2592 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 56,014 psi | 86% | 2592 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 55,521 psi | 85% | 2661 fps | 98.8% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 51,416 psi | 79% | 2730 fps | 97.1% |
| Somchem S335 | <<locked>> | 86% | 58,494 psi | 90% | 2635 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 56,608 psi | 87% | 2703 fps | 100% |
| Somchem S355 | <<locked>> | 92% | 57,957 psi | 89% | 2743 fps | 100% |
| Somchem S361ᴾ | <<locked>> | 100% | 57,696 psi | 89% | 2730 fps | 95.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 57,261 psi | 88% | 2815 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 52,678 psi | 81% | 2713 fps | 98.1% |
| Vihtavuori N130 | <<locked>> | 82% | 58,682 psi | 90% | 2592 fps | 100% |
| Vihtavuori N133 | <<locked>> | 84% | 55,999 psi | 86% | 2575 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 58,508 psi | 90% | 2661 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 55,564 psi | 85% | 2635 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 55,738 psi | 86% | 2671 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 57,493 psi | 88% | 2759 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 45,397 psi | 70% | 2582 fps | 96.1% |
| Vihtavuori N530 | <<locked>> | 84% | 58,653 psi | 90% | 2707 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 57,145 psi | 88% | 2677 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 56,289 psi | 87% | 2766 fps | 99.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 48,834 psi | 75% | 2717 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 57,261 psi | 88% | 2733 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 55,288 psi | 85% | 2707 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 55,230 psi | 85% | 2779 fps | 99% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 39,363 psi | 61% | 2674 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 86% | 57,783 psi | 89% | 2743 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 49,371 psi | 76% | 2654 fps | 96.3% |
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% | 53,098 psi | 82% | 2559 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 46,050 psi | 71% | 2500 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 53,592 psi | 82% | 2648 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 44,585 psi | 69% | 2487 fps | 96.1% |
| Accurate 3100 | <<locked>> | 92% | 35,418 psi | 54% | 2408 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 43,569 psi | 67% | 2503 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 32,445 psi | 50% | 2352 fps | 96.3% |
| ADI AR 2206H | <<locked>> | 80% | 49,081 psi | 76% | 2612 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 41,829 psi | 64% | 2474 fps | 99.1% |
| ADI AR 2209 | <<locked>> | 94% | 44,469 psi | 68% | 2598 fps | 95% |
| ADI Benchmark 8208 | <<locked>> | 80% | 51,169 psi | 79% | 2612 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 52,504 psi | 81% | 2589 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 45,136 psi | 69% | 2661 fps | 99.6% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 44,367 psi | 68% | 2598 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 41,916 psi | 64% | 2497 fps | 99.8% |
| Alliant Reloder-15 | <<locked>> | 80% | 44,715 psi | 69% | 2556 fps | 99.5% |
| Alliant Reloder-16 | <<locked>> | 80% | 32,532 psi | 50% | 2365 fps | 96.4% |
| Alliant Reloder-17 | 62.7 gr | 80% | 36,376 psi | 56% | 2487 fps | 99.1% |
| Alliant Reloder-19 | <<locked>> | 94% | 43,859 psi | 67% | 2592 fps | 95% |
| Alliant Reloder-22 | <<locked>> | 98% | 43,700 psi | 67% | 2635 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 84% | 26,745 psi | 41% | 2234 fps | 95.3% |
| Alliant Reloder-25 | <<locked>> | 96% | 34,113 psi | 52% | 2441 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 88% | 32,430 psi | 50% | 2448 fps | 95.5% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 48,660 psi | 75% | 2625 fps | 99.7% |
| Bofors RP3 | <<locked>> | 80% | 41,814 psi | 64% | 2507 fps | 99.9% |
| Bofors RP5 | <<locked>> | 98% | 43,700 psi | 67% | 2635 fps | 95.1% |
| Bofors RP7 | <<locked>> | 82% | 39,740 psi | 61% | 2428 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 52,649 psi | 81% | 2595 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 50,589 psi | 78% | 2641 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 42,308 psi | 65% | 2510 fps | 98.4% |
| Hodgdon H414 | <<locked>> | 84% | 39,668 psi | 61% | 2507 fps | 95.7% |
| Hodgdon H4350 | <<locked>> | 84% | 42,931 psi | 66% | 2526 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 49,632 psi | 76% | 2621 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 29,965 psi | 46% | 2270 fps | 97.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 45,948 psi | 71% | 2605 fps | 100% |
| Hodgdon Superformance | 71.2 gr | 86% | 41,626 psi | 64% | 2575 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,803 psi | 41% | 1470 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 47,485 psi | 73% | 2575 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 49,850 psi | 77% | 2605 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 43,961 psi | 68% | 2507 fps | 99.5% |
| IMR 4166 Enduron | <<locked>> | 80% | 46,253 psi | 71% | 2530 fps | 97.3% |
| IMR 4350 | <<locked>> | 86% | 40,089 psi | 62% | 2461 fps | 95.1% |
| IMR 4451 Enduron | <<locked>> | 80% | 38,682 psi | 60% | 2408 fps | 95.1% |
| IMR 4831 | <<locked>> | 80% | 31,444 psi | 48% | 2313 fps | 95.9% |
| IMR 4895 | <<locked>> | 80% | 45,861 psi | 71% | 2585 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 80% | 51,169 psi | 79% | 2612 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 48,791 psi | 75% | 2589 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 48,660 psi | 75% | 2546 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 44,019 psi | 68% | 2507 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 36,201 psi | 56% | 2362 fps | 96% |
| Lovex S070 | <<locked>> | 84% | 38,986 psi | 60% | 2441 fps | 95.7% |
| Lovex S071 | <<locked>> | 98% | 36,245 psi | 56% | 2425 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 48,080 psi | 74% | 2562 fps | 100% |
| Norma 202 | <<locked>> | 80% | 48,704 psi | 75% | 2566 fps | 100% |
| Norma 203B | <<locked>> | 80% | 44,092 psi | 68% | 2546 fps | 99.7% |
| Norma 204 | <<locked>> | 90% | 45,179 psi | 70% | 2595 fps | 95.1% |
| Norma MRP | <<locked>> | 94% | 40,045 psi | 62% | 2592 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 32,706 psi | 50% | 2352 fps | 96.2% |
| Ramshot Big Game | <<locked>> | 80% | 43,918 psi | 68% | 2562 fps | 99.6% |
| Ramshot Hunter | <<locked>> | 84% | 36,289 psi | 56% | 2444 fps | 95.5% |
| Ramshot TAC | <<locked>> | 80% | 51,140 psi | 79% | 2631 fps | 99.3% |
| Ramshot Wild Boar | <<locked>> | 80% | 50,966 psi | 78% | 2648 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 80% | 55,187 psi | 85% | 2664 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,253 psi | 42% | 1506 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 42,525 psi | 65% | 2493 fps | 97.1% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 47,848 psi | 74% | 2664 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 38,696 psi | 60% | 2546 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 32,155 psi | 49% | 2369 fps | 95.7% |
| ReloadSwiss RS 70 | 65.2 gr | 82% | 34,113 psi | 52% | 2425 fps | 95.7% |
| Rottweil R 901 | <<locked>> | 80% | 52,127 psi | 80% | 2589 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 45,890 psi | 71% | 2520 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 39,363 psi | 61% | 2454 fps | 99.5% |
| Rottweil R 904 | <<locked>> | 96% | 49,197 psi | 76% | 2631 fps | 95% |
| Rottweil R 905 | <<locked>> | 96% | 45,411 psi | 70% | 2625 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 82% | 39,740 psi | 61% | 2428 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,201 psi | 56% | 2362 fps | 96% |
| Shooters World Match Rifle | <<locked>> | 80% | 48,791 psi | 75% | 2589 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 44,019 psi | 68% | 2507 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 38,986 psi | 60% | 2441 fps | 95.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 40,306 psi | 62% | 2503 fps | 99.2% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 49,792 psi | 77% | 2612 fps | 99.4% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 47,645 psi | 73% | 2585 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 49,298 psi | 76% | 2507 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 41,336 psi | 64% | 2385 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 37,913 psi | 58% | 2362 fps | 95.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 44,976 psi | 69% | 2618 fps | 95.6% |
| Somchem S335 | <<locked>> | 80% | 48,849 psi | 75% | 2507 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 49,530 psi | 76% | 2605 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 39,885 psi | 61% | 2454 fps | 99.5% |
| Somchem S361 | <<locked>> | 98% | 53,954 psi | 83% | 2674 fps | 95.2% |
| Somchem S365 | <<locked>> | 80% | 29,327 psi | 45% | 2310 fps | 98.3% |
| Somchem S385 | <<locked>> | 92% | 40,480 psi | 62% | 2503 fps | 95.2% |
| Vihtavuori N130 | <<locked>> | 80% | 55,332 psi | 85% | 2549 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 49,719 psi | 76% | 2493 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 45,759 psi | 70% | 2490 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 46,122 psi | 71% | 2503 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 38,072 psi | 59% | 2392 fps | 99.8% |
| Vihtavuori N160 | <<locked>> | 80% | 33,997 psi | 52% | 2356 fps | 96.6% |
| Vihtavuori N165 | <<locked>> | 98% | 42,540 psi | 65% | 2533 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 51,517 psi | 79% | 2612 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 44,367 psi | 68% | 2497 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 33,504 psi | 52% | 2356 fps | 96.2% |
| Vihtavuori N555 | <<locked>> | 84% | 28,892 psi | 44% | 2306 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 33,576 psi | 52% | 2333 fps | 98.5% |
| Winchester 748 | <<locked>> | 80% | 51,648 psi | 79% | 2657 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 39,668 psi | 61% | 2507 fps | 95.7% |
| Winchester StaBALL HD | <<locked>> | 88% | 26,672 psi | 41% | 2306 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 47,384 psi | 73% | 2592 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 45,919 psi | 71% | 2595 fps | 95.5% |
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 109 powders for .33 Nosler loaded with the .338 | 225gr | Barnes Solid BT. ReloadSwiss RS 70 delivers the highest muzzle velocity at 2,884 fps; across all powders the maximum-charge window runs from 1,650 fps to 2,884 fps. Accurate 3100 gives the best case fill at 100 %, and 109 of the 109 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 225.0 gr projectile in 0.338" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Power Pro Varmint 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 | 225gr | Barnes Solid BT 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.