Load Specifications
Load data in caliber .338 Norma Mag. with .338 | 265gr | Nosler AccuBond Long Range bullet and 80 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Vihtavuori N560 and Winchester StaBALL HD.
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 3100 | <<locked>> | 96% | 56,289 psi | 88% | 2582 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 54,404 psi | 85% | 2562 fps | 100% |
| Accurate High Country | <<locked>> | 92% | 53,925 psi | 85% | 2671 fps | 99.2% |
| Accurate MAGPRO | <<locked>> | 94% | 54,897 psi | 86% | 2677 fps | 98.4% |
| ADI AR 2208 | <<locked>> | 82% | 55,840 psi | 88% | 2523 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 54,955 psi | 86% | 2615 fps | 99.7% |
| ADI AR 2213 | <<locked>> | 96% | 56,289 psi | 88% | 2671 fps | 99.3% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 47,065 psi | 74% | 2526 fps | 98.1% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,872 psi | 66% | 2497 fps | 99.5% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 55,347 psi | 87% | 2615 fps | 99.7% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 55,347 psi | 87% | 2615 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 57,145 psi | 90% | 2546 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 55,143 psi | 86% | 2612 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 56,391 psi | 88% | 2628 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 54,665 psi | 86% | 2608 fps | 99.6% |
| Alliant Reloder-22 | <<locked>> | 96% | 56,130 psi | 88% | 2671 fps | 99.8% |
| Alliant Reloder-23 | <<locked>> | 98% | 57,116 psi | 90% | 2635 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 52,852 psi | 83% | 2648 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 53,679 psi | 84% | 2674 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 54,810 psi | 86% | 2589 fps | 96.6% |
| Bofors RP15 | <<locked>> | 98% | 55,013 psi | 86% | 2654 fps | 99.7% |
| Bofors RP30ᴾ | <<locked>> | 100% | 48,704 psi | 76% | 2592 fps | 98.7% |
| Bofors RP5 | <<locked>> | 96% | 56,130 psi | 88% | 2671 fps | 99.8% |
| Bofors RP7 | <<locked>> | 86% | 56,927 psi | 89% | 2562 fps | 100% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 51,750 psi | 81% | 2605 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 86% | 56,130 psi | 88% | 2615 fps | 100% |
| Hodgdon H4350 | <<locked>> | 84% | 55,390 psi | 87% | 2575 fps | 99.8% |
| Hodgdon H4831 | <<locked>> | 94% | 56,318 psi | 88% | 2615 fps | 98.8% |
| Hodgdon H4831 SC | <<locked>> | 94% | 55,230 psi | 87% | 2602 fps | 98.6% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 55,564 psi | 87% | 2543 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 51,764 psi | 81% | 2710 fps | 100% |
| Hodgdon Superformance | <<locked>> | 86% | 56,405 psi | 88% | 2651 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,014 psi | 58% | 1581 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 55,027 psi | 86% | 2552 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 84% | 54,955 psi | 86% | 2536 fps | 100% |
| IMR 4831 | <<locked>> | 88% | 54,766 psi | 86% | 2556 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 57,450 psi | 90% | 2602 fps | 99% |
| IMR 7828 SSC | <<locked>> | 96% | 54,114 psi | 85% | 2654 fps | 99.1% |
| Lovex S065 | <<locked>> | 86% | 55,564 psi | 87% | 2536 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 57,188 psi | 90% | 2579 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 53,722 psi | 84% | 2549 fps | 100% |
| Norma 204 | <<locked>> | 88% | 55,796 psi | 87% | 2605 fps | 99.6% |
| Norma 217ᴾ | <<locked>> | 100% | 37,376 psi | 59% | 2428 fps | 98% |
| Norma MRP | <<locked>> | 94% | 55,970 psi | 88% | 2690 fps | 100% |
| Norma URP | <<locked>> | 88% | 56,507 psi | 89% | 2595 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 54,723 psi | 86% | 2671 fps | 99.4% |
| Ramshot Hunter | <<locked>> | 88% | 55,172 psi | 86% | 2602 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 56,811 psi | 89% | 2664 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,913 psi | 59% | 1621 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 55,898 psi | 88% | 2612 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 54,346 psi | 85% | 2585 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 56,173 psi | 88% | 2661 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 52,127 psi | 82% | 2710 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 46,963 psi | 74% | 2602 fps | 97.1% |
| Rottweil R 903 | <<locked>> | 82% | 54,694 psi | 86% | 2513 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 56,463 psi | 88% | 2589 fps | 99.2% |
| Rottweil R 905 | <<locked>> | 94% | 57,551 psi | 90% | 2644 fps | 99.9% |
| Rottweil R 907 | <<locked>> | 86% | 56,927 psi | 89% | 2562 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 86% | 55,564 psi | 87% | 2536 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 57,188 psi | 90% | 2579 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 56,260 psi | 88% | 2569 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 54,824 psi | 86% | 2395 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 54,752 psi | 86% | 2493 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 57,101 psi | 89% | 2641 fps | 99.8% |
| Somchem S355 | <<locked>> | 82% | 54,578 psi | 86% | 2510 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 54,215 psi | 85% | 2533 fps | 98.4% |
| Somchem S365 | <<locked>> | 90% | 56,579 psi | 89% | 2595 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 54,505 psi | 85% | 2572 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 84% | 55,637 psi | 87% | 2484 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 54,752 psi | 86% | 2539 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 57,508 psi | 90% | 2598 fps | 99.9% |
| Vihtavuori N550 | <<locked>> | 88% | 57,421 psi | 90% | 2592 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 56,028 psi | 88% | 2615 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 55,840 psi | 88% | 2687 fps | 99% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 55,303 psi | 87% | 2664 fps | 99.1% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 48,414 psi | 76% | 2608 fps | 96.9% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 57,711 psi | 90% | 2549 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 56,347 psi | 88% | 2618 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 98% | 54,331 psi | 85% | 2713 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 54,433 psi | 85% | 2569 fps | 99.6% |
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 3100 | <<locked>> | 80% | 33,040 psi | 52% | 2198 fps | 97.7% |
| Accurate 4350 | <<locked>> | 80% | 44,396 psi | 70% | 2418 fps | 100% |
| Accurate High Country | <<locked>> | 82% | 38,174 psi | 60% | 2395 fps | 95.7% |
| Accurate MAGPRO | <<locked>> | 86% | 41,495 psi | 65% | 2451 fps | 95.3% |
| ADI AR 2208 | <<locked>> | 80% | 52,446 psi | 82% | 2480 fps | 100% |
| ADI AR 2209 | <<locked>> | 80% | 37,072 psi | 58% | 2306 fps | 96.3% |
| ADI AR 2213 | <<locked>> | 84% | 37,840 psi | 59% | 2352 fps | 95.1% |
| ADI AR 2217 | <<locked>> | 94% | 38,740 psi | 61% | 2369 fps | 95.7% |
| ADI AR 2225 | <<locked>> | 90% | 30,545 psi | 48% | 2231 fps | 95.6% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 37,420 psi | 59% | 2310 fps | 96.5% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 37,420 psi | 59% | 2310 fps | 96.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 53,635 psi | 84% | 2500 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 42,525 psi | 67% | 2425 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 48,965 psi | 77% | 2526 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 37,086 psi | 58% | 2306 fps | 96.4% |
| Alliant Reloder-22 | <<locked>> | 80% | 32,880 psi | 52% | 2254 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,691 psi | 50% | 2224 fps | 99.8% |
| Alliant Reloder-25 | <<locked>> | 80% | 27,688 psi | 43% | 2142 fps | 96.1% |
| Alliant Reloder-26 | 72.8 gr | 80% | 34,403 psi | 54% | 2346 fps | 99.3% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 48,486 psi | 76% | 2487 fps | 95% |
| Bofors RP15 | <<locked>> | 84% | 34,983 psi | 55% | 2300 fps | 95.7% |
| Bofors RP30 | <<locked>> | 92% | 37,333 psi | 59% | 2385 fps | 95.9% |
| Bofors RP5 | <<locked>> | 80% | 32,880 psi | 52% | 2254 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 47,239 psi | 74% | 2418 fps | 99.3% |
| Hodgdon H1000 | <<locked>> | 90% | 37,057 psi | 58% | 2336 fps | 95.8% |
| Hodgdon H414 | <<locked>> | 80% | 46,108 psi | 72% | 2464 fps | 99.5% |
| Hodgdon H4350 | <<locked>> | 80% | 48,617 psi | 76% | 2474 fps | 99.1% |
| Hodgdon H4831 | <<locked>> | 84% | 40,292 psi | 63% | 2356 fps | 95.3% |
| Hodgdon H4831 SC | <<locked>> | 84% | 39,653 psi | 62% | 2343 fps | 95.1% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 40,190 psi | 63% | 2323 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 86% | 32,837 psi | 51% | 2316 fps | 95.3% |
| Hodgdon Superformance | <<locked>> | 80% | 45,368 psi | 71% | 2487 fps | 99.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,731 psi | 43% | 1414 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 42,743 psi | 67% | 2362 fps | 98.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 48,704 psi | 76% | 2444 fps | 99.7% |
| IMR 4831 | <<locked>> | 80% | 42,395 psi | 66% | 2372 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 39,566 psi | 62% | 2306 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 86% | 38,783 psi | 61% | 2382 fps | 95.6% |
| Lovex S065 | <<locked>> | 80% | 46,209 psi | 72% | 2398 fps | 99.9% |
| Lovex S070 | <<locked>> | 80% | 44,614 psi | 70% | 2392 fps | 99.4% |
| Lovex S071 | <<locked>> | 80% | 28,500 psi | 45% | 2090 fps | 96% |
| Norma 204 | <<locked>> | 80% | 42,627 psi | 67% | 2395 fps | 97.7% |
| Norma 217 | <<locked>> | 94% | 30,792 psi | 48% | 2267 fps | 95.2% |
| Norma MRP | <<locked>> | 80% | 34,272 psi | 54% | 2313 fps | 97.1% |
| Norma URP | <<locked>> | 80% | 43,700 psi | 68% | 2408 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 38,334 psi | 60% | 2388 fps | 95.9% |
| Ramshot Hunter | <<locked>> | 80% | 42,409 psi | 66% | 2405 fps | 99.5% |
| Ramshot Magnum | <<locked>> | 84% | 31,749 psi | 50% | 2224 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,442 psi | 45% | 1450 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 51,967 psi | 81% | 2562 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 44,164 psi | 69% | 2438 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 42,409 psi | 66% | 2454 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 31,807 psi | 50% | 2293 fps | 96.2% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 40,509 psi | 63% | 2480 fps | 95.1% |
| Rottweil R 903 | <<locked>> | 80% | 51,488 psi | 81% | 2470 fps | 100% |
| Rottweil R 904 | <<locked>> | 80% | 38,435 psi | 60% | 2290 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 80% | 36,405 psi | 57% | 2293 fps | 96.4% |
| Rottweil R 907 | <<locked>> | 80% | 47,239 psi | 74% | 2418 fps | 99.3% |
| Shooters World Long Rifle | <<locked>> | 80% | 46,209 psi | 72% | 2398 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 80% | 44,614 psi | 70% | 2392 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 52,620 psi | 82% | 2520 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 51,590 psi | 81% | 2356 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 45,165 psi | 71% | 2352 fps | 99.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 36,085 psi | 57% | 2290 fps | 96.3% |
| Somchem S355 | <<locked>> | 80% | 51,227 psi | 80% | 2464 fps | 100% |
| Somchem S361 | <<locked>> | 82% | 41,698 psi | 65% | 2333 fps | 95.7% |
| Somchem S365 | <<locked>> | 80% | 40,466 psi | 63% | 2369 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 36,912 psi | 58% | 2277 fps | 97.4% |
| Vihtavuori N150 | <<locked>> | 80% | 49,095 psi | 77% | 2398 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 45,034 psi | 71% | 2402 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 31,981 psi | 50% | 2165 fps | 95.2% |
| Vihtavuori N550 | <<locked>> | 80% | 44,425 psi | 70% | 2408 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 35,636 psi | 56% | 2290 fps | 99.7% |
| Vihtavuori N560 | 74.2 gr | 84% | 39,740 psi | 62% | 2415 fps | 95.4% |
| Vihtavuori N565 | <<locked>> | 90% | 39,494 psi | 62% | 2402 fps | 95.7% |
| Vihtavuori N568 | <<locked>> | 96% | 42,047 psi | 66% | 2493 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 43,888 psi | 69% | 2369 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 46,108 psi | 72% | 2464 fps | 99.5% |
| Winchester StaBALL HD | 69.9 gr | 80% | 28,108 psi | 44% | 2241 fps | 99.9% |
| Winchester Supreme 780 | <<locked>> | 80% | 33,576 psi | 53% | 2208 fps | 95.1% |
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 80 powders for .338 Norma Mag. loaded with the .338 | 265gr | Nosler AccuBond Long Range. Winchester StaBALL HD delivers the highest muzzle velocity at 2,713 fps; across all powders the maximum-charge window runs from 1,581 fps to 2,713 fps. ADI AR 2217 gives the best case fill at 100 %, and 80 of the 80 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 265.0 gr projectile in 0.338" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-25 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 Reloder-26, Vihtavuori N560, Winchester StaBALL HD rank at the top here: for .338 Norma Mag. with the .338 | 265gr | Nosler AccuBond Long Range 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.