Load Specifications
Load data in caliber 8.5 x 55 Blaser with .338 | 180gr | Ferrobull Entox Sport bullet and 89 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 52 and Hodgdon CFE223.
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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 92% | 53,432 psi | 86% | 2792 fps | 100% |
| Accurate 2200 | <<locked>> | 84% | 54,389 psi | 87% | 2881 fps | 97.9% |
| Accurate 2230 | <<locked>> | 84% | 55,085 psi | 88% | 2890 fps | 98.3% |
| Accurate 2460 | <<locked>> | 90% | 55,550 psi | 89% | 2861 fps | 100% |
| Accurate 2495 | <<locked>> | 98% | 52,866 psi | 85% | 2838 fps | 100% |
| Accurate 2520 | <<locked>> | 92% | 53,272 psi | 85% | 2867 fps | 99.9% |
| Accurate 4064ᴾ | <<locked>> | 100% | 52,431 psi | 84% | 2871 fps | 100% |
| Accurate LT-30 | <<locked>> | 86% | 54,708 psi | 88% | 2749 fps | 100% |
| Accurate LT-32 | <<locked>> | 86% | 55,129 psi | 88% | 2769 fps | 100% |
| ADI AR 2206H | <<locked>> | 96% | 56,173 psi | 90% | 2917 fps | 98.8% |
| ADI AR 2207 | <<locked>> | 84% | 55,593 psi | 89% | 2769 fps | 100% |
| ADI AR 2208ᴾ | <<locked>> | 100% | 53,548 psi | 86% | 2851 fps | 97.8% |
| ADI AR 2219 | <<locked>> | 86% | 54,534 psi | 87% | 2864 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 94% | 55,579 psi | 89% | 2877 fps | 99.5% |
| Alliant AR-Comp | <<locked>> | 94% | 54,418 psi | 87% | 2867 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 88% | 53,272 psi | 85% | 2930 fps | 99% |
| Alliant Power Pro 2000-MR | <<locked>> | 98% | 55,999 psi | 90% | 3018 fps | 98.1% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 53,127 psi | 85% | 2877 fps | 98.9% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 52,069 psi | 83% | 2871 fps | 99% |
| Alliant Reloder-10x | <<locked>> | 88% | 53,621 psi | 86% | 2805 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 98% | 53,243 psi | 85% | 2894 fps | 98% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 46,383 psi | 74% | 2858 fps | 97.6% |
| Alliant Reloder-7 | <<locked>> | 82% | 53,258 psi | 85% | 2743 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 86% | 53,519 psi | 86% | 2743 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 96% | 56,072 psi | 90% | 2930 fps | 97.9% |
| Bofors RP3ᴾ | <<locked>> | 100% | 52,141 psi | 84% | 2884 fps | 99% |
| Hodgdon Benchmark | <<locked>> | 92% | 54,737 psi | 88% | 2818 fps | 99.7% |
| Hodgdon BL-C2 | <<locked>> | 94% | 53,925 psi | 86% | 2904 fps | 99.7% |
| Hodgdon CFE223 | <<locked>> | 92% | 55,985 psi | 90% | 2995 fps | 98.5% |
| Hodgdon H322 | <<locked>> | 88% | 52,823 psi | 85% | 2838 fps | 100% |
| Hodgdon H335 | <<locked>> | 88% | 53,940 psi | 86% | 2864 fps | 100% |
| Hodgdon H380ᴾ | <<locked>> | 100% | 54,375 psi | 87% | 2894 fps | 96.9% |
| Hodgdon H4198 | <<locked>> | 82% | 53,258 psi | 85% | 2749 fps | 100% |
| Hodgdon H4895 | <<locked>> | 94% | 52,939 psi | 85% | 2874 fps | 98.8% |
| Hodgdon LEVERevolution | <<locked>> | 98% | 54,824 psi | 88% | 2953 fps | 99.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,750 psi | 54% | 1719 fps | 100% |
| Hodgdon VARGET | <<locked>> | 96% | 54,868 psi | 88% | 2884 fps | 99% |
| IMR 3031 | <<locked>> | 96% | 55,216 psi | 89% | 2923 fps | 100% |
| IMR 4064ᴾ | <<locked>> | 100% | 56,391 psi | 90% | 2890 fps | 98.5% |
| IMR 4198 | <<locked>> | 88% | 54,679 psi | 88% | 2772 fps | 100% |
| IMR 4895 | <<locked>> | 98% | 54,578 psi | 88% | 2930 fps | 98.7% |
| IMR 8208 XBR | <<locked>> | 94% | 55,579 psi | 89% | 2877 fps | 99.5% |
| Lovex D073.4 | <<locked>> | 84% | 55,927 psi | 90% | 2877 fps | 100% |
| Lovex D073.5 | <<locked>> | 90% | 55,651 psi | 89% | 2867 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 96% | 54,650 psi | 88% | 2897 fps | 100% |
| Lovex S060 | <<locked>> | 94% | 53,374 psi | 86% | 2799 fps | 98.4% |
| Lovex S062ᴾ | <<locked>> | 100% | 55,521 psi | 89% | 2887 fps | 99.5% |
| Norma 200 | <<locked>> | 84% | 53,461 psi | 86% | 2779 fps | 100% |
| Norma 201 | <<locked>> | 96% | 54,578 psi | 88% | 2864 fps | 99.4% |
| Norma 202 | <<locked>> | 96% | 54,940 psi | 88% | 2877 fps | 100% |
| Norma 203Bᴾ | <<locked>> | 100% | 55,956 psi | 90% | 2936 fps | 98.9% |
| Ramshot Big Game | <<locked>> | 98% | 52,953 psi | 85% | 2907 fps | 98.3% |
| Ramshot TAC | <<locked>> | 92% | 53,171 psi | 85% | 2831 fps | 95.9% |
| Ramshot Wild Boar | <<locked>> | 94% | 55,259 psi | 89% | 2907 fps | 98.7% |
| Ramshot X-Terminator | <<locked>> | 90% | 53,911 psi | 86% | 2831 fps | 98.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,866 psi | 54% | 1759 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 90% | 55,521 psi | 89% | 2871 fps | 99.9% |
| ReloadSwiss RS 52 | <<locked>> | 96% | 52,750 psi | 85% | 2956 fps | 98% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 49,676 psi | 80% | 2933 fps | 99.8% |
| Rottweil R 901 | <<locked>> | 94% | 55,259 psi | 89% | 2854 fps | 100% |
| Rottweil R 902 | <<locked>> | 98% | 54,636 psi | 88% | 2854 fps | 99.4% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 48,385 psi | 78% | 2815 fps | 98.3% |
| Shooters World AR Plus | <<locked>> | 84% | 55,927 psi | 90% | 2877 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 96% | 54,650 psi | 88% | 2897 fps | 100% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 55,521 psi | 89% | 2887 fps | 99.5% |
| Shooters World Tactical Rifle | <<locked>> | 88% | 56,144 psi | 90% | 2844 fps | 99.3% |
| SNPE Vectan BA6 1/2 | <<locked>> | 84% | 55,390 psi | 89% | 2516 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 86% | 54,810 psi | 88% | 2871 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 50,879 psi | 82% | 2881 fps | 98% |
| SNPE Vectan SP 3 | <<locked>> | 88% | 54,723 psi | 88% | 2825 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 94% | 54,259 psi | 87% | 2858 fps | 96.7% |
| SNPE Vectan SP 9 | <<locked>> | 96% | 54,505 psi | 87% | 2887 fps | 98.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 94% | 54,157 psi | 87% | 2776 fps | 100% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 53,272 psi | 85% | 2766 fps | 100% |
| Somchem S321 | <<locked>> | 90% | 53,388 psi | 86% | 2864 fps | 99.5% |
| Somchem S335 | <<locked>> | 96% | 56,057 psi | 90% | 2818 fps | 100% |
| Somchem S341 | <<locked>> | 94% | 53,708 psi | 86% | 2854 fps | 98.4% |
| Somchem S355ᴾ | <<locked>> | 100% | 49,458 psi | 79% | 2818 fps | 98.3% |
| Vihtavuori N120 | <<locked>> | 84% | 55,521 psi | 89% | 2720 fps | 100% |
| Vihtavuori N130 | <<locked>> | 90% | 53,838 psi | 86% | 2753 fps | 100% |
| Vihtavuori N133 | <<locked>> | 94% | 53,853 psi | 86% | 2769 fps | 100% |
| Vihtavuori N135 | <<locked>> | 98% | 53,388 psi | 86% | 2835 fps | 100% |
| Vihtavuori N140 | <<locked>> | 98% | 55,608 psi | 89% | 2854 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 47,863 psi | 77% | 2759 fps | 99% |
| Vihtavuori N530 | <<locked>> | 92% | 52,765 psi | 85% | 2828 fps | 99.3% |
| Vihtavuori N540 | <<locked>> | 98% | 53,563 psi | 86% | 2848 fps | 100% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 43,918 psi | 70% | 2690 fps | 96.9% |
| Winchester 748 | <<locked>> | 94% | 55,201 psi | 89% | 2927 fps | 99.8% |
| Winchester StaBALL Match | <<locked>> | 96% | 53,998 psi | 87% | 2894 fps | 99% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 36,492 psi | 59% | 2507 fps | 99.8% |
| Accurate 2200 | <<locked>> | 80% | 47,587 psi | 76% | 2766 fps | 96.5% |
| Accurate 2230 | <<locked>> | 80% | 47,587 psi | 76% | 2769 fps | 97% |
| Accurate 2460 | <<locked>> | 80% | 39,334 psi | 63% | 2592 fps | 98.7% |
| Accurate 2495 | <<locked>> | 80% | 28,572 psi | 46% | 2385 fps | 98.7% |
| Accurate 2520 | <<locked>> | 80% | 34,737 psi | 56% | 2530 fps | 97.3% |
| Accurate 4064 | <<locked>> | 80% | 27,108 psi | 43% | 2356 fps | 95.7% |
| Accurate LT-30 | <<locked>> | 80% | 45,411 psi | 73% | 2608 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 45,774 psi | 73% | 2625 fps | 99.4% |
| ADI AR 2206H | <<locked>> | 86% | 40,814 psi | 65% | 2651 fps | 95.8% |
| ADI AR 2207 | <<locked>> | 80% | 49,153 psi | 79% | 2684 fps | 100% |
| ADI AR 2208 | <<locked>> | 92% | 41,829 psi | 67% | 2648 fps | 95.2% |
| ADI AR 2219 | <<locked>> | 80% | 44,454 psi | 71% | 2707 fps | 99.9% |
| ADI Benchmark 8208 | <<locked>> | 80% | 35,462 psi | 57% | 2507 fps | 95.5% |
| Alliant AR-Comp | <<locked>> | 80% | 33,750 psi | 54% | 2530 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 40,625 psi | 65% | 2697 fps | 96.5% |
| Alliant Power Pro 2000-MR | 60.8 gr | 92% | 45,484 psi | 73% | 2828 fps | 95.7% |
| Alliant Power Pro Varmint | <<locked>> | 82% | 36,187 psi | 58% | 2552 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 35,302 psi | 57% | 2556 fps | 95.2% |
| Alliant Reloder-10x | <<locked>> | 80% | 41,669 psi | 67% | 2618 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 41,278 psi | 66% | 2677 fps | 95.3% |
| Alliant Reloder-17 | <<locked>> | 96% | 40,538 psi | 65% | 2733 fps | 95.9% |
| Alliant Reloder-7 | <<locked>> | 80% | 50,053 psi | 80% | 2697 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 44,063 psi | 71% | 2598 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 42,772 psi | 69% | 2703 fps | 95% |
| Bofors RP3 | <<locked>> | 88% | 34,490 psi | 55% | 2549 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 37,826 psi | 61% | 2516 fps | 97% |
| Hodgdon BL-C2 | <<locked>> | 80% | 33,170 psi | 53% | 2507 fps | 95.5% |
| Hodgdon CFE223 | 56.8 gr | 84% | 42,235 psi | 68% | 2753 fps | 95.5% |
| Hodgdon H322 | <<locked>> | 80% | 40,509 psi | 65% | 2635 fps | 99.6% |
| Hodgdon H335 | <<locked>> | 80% | 40,988 psi | 66% | 2644 fps | 99.2% |
| Hodgdon H380 | <<locked>> | 96% | 47,558 psi | 76% | 2782 fps | 95.5% |
| Hodgdon H4198 | <<locked>> | 80% | 50,038 psi | 80% | 2700 fps | 100% |
| Hodgdon H4895 | <<locked>> | 84% | 38,392 psi | 62% | 2605 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 36,608 psi | 59% | 2612 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,874 psi | 40% | 1532 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 37,333 psi | 60% | 2566 fps | 95.3% |
| IMR 3031 | <<locked>> | 80% | 32,285 psi | 52% | 2510 fps | 98.8% |
| IMR 4064 | <<locked>> | 90% | 41,220 psi | 66% | 2628 fps | 95.3% |
| IMR 4198 | <<locked>> | 80% | 42,946 psi | 69% | 2595 fps | 100% |
| IMR 4895 | <<locked>> | 88% | 39,436 psi | 63% | 2654 fps | 95.5% |
| IMR 8208 XBR | <<locked>> | 80% | 35,462 psi | 57% | 2507 fps | 95.5% |
| Lovex D073.4 | <<locked>> | 80% | 48,341 psi | 78% | 2762 fps | 99.5% |
| Lovex D073.5 | <<locked>> | 80% | 39,276 psi | 63% | 2592 fps | 97.7% |
| Lovex D073.6 | <<locked>> | 80% | 31,314 psi | 50% | 2461 fps | 96.1% |
| Lovex S060 | <<locked>> | 84% | 39,407 psi | 63% | 2546 fps | 95.4% |
| Lovex S062 | <<locked>> | 86% | 35,563 psi | 57% | 2530 fps | 95.8% |
| Norma 200 | <<locked>> | 80% | 47,123 psi | 76% | 2687 fps | 100% |
| Norma 201 | <<locked>> | 82% | 34,954 psi | 56% | 2497 fps | 95.5% |
| Norma 202 | <<locked>> | 80% | 32,648 psi | 52% | 2464 fps | 97.3% |
| Norma 203B | <<locked>> | 90% | 40,495 psi | 65% | 2667 fps | 95.8% |
| Ramshot Big Game | <<locked>> | 90% | 40,364 psi | 65% | 2677 fps | 95.3% |
| Ramshot TAC | <<locked>> | 90% | 49,588 psi | 80% | 2772 fps | 95.1% |
| Ramshot Wild Boar | <<locked>> | 84% | 39,378 psi | 63% | 2625 fps | 95.3% |
| Ramshot X-Terminator | <<locked>> | 82% | 41,365 psi | 66% | 2612 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,092 psi | 40% | 1572 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 39,987 psi | 64% | 2605 fps | 98.2% |
| ReloadSwiss RS 52 | 57.7 gr | 90% | 42,960 psi | 69% | 2779 fps | 95.8% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 33,214 psi | 53% | 2566 fps | 95.6% |
| Rottweil R 901 | <<locked>> | 80% | 36,187 psi | 58% | 2510 fps | 98% |
| Rottweil R 902 | <<locked>> | 84% | 35,375 psi | 57% | 2500 fps | 95.6% |
| Rottweil R 903 | <<locked>> | 92% | 36,956 psi | 59% | 2598 fps | 95.5% |
| Shooters World AR Plus | <<locked>> | 80% | 48,341 psi | 78% | 2762 fps | 99.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 31,314 psi | 50% | 2461 fps | 96.1% |
| Shooters World Precision | <<locked>> | 86% | 35,563 psi | 57% | 2530 fps | 95.8% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 42,467 psi | 68% | 2618 fps | 97.2% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 49,676 psi | 80% | 2444 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 44,715 psi | 72% | 2710 fps | 99.6% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 39,160 psi | 63% | 2657 fps | 95% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 42,438 psi | 68% | 2631 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 47,036 psi | 75% | 2740 fps | 95.1% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 39,276 psi | 63% | 2615 fps | 95.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 34,635 psi | 56% | 2431 fps | 97.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 28,050 psi | 45% | 2290 fps | 96.7% |
| Somchem S321 | <<locked>> | 80% | 37,739 psi | 61% | 2582 fps | 96.7% |
| Somchem S335 | <<locked>> | 80% | 34,113 psi | 55% | 2438 fps | 98.4% |
| Somchem S341 | <<locked>> | 86% | 40,538 psi | 65% | 2628 fps | 95.5% |
| Somchem S355 | <<locked>> | 92% | 38,421 psi | 62% | 2612 fps | 95.7% |
| Vihtavuori N120 | <<locked>> | 80% | 49,168 psi | 79% | 2635 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 39,494 psi | 63% | 2526 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 34,650 psi | 56% | 2444 fps | 99.6% |
| Vihtavuori N135 | <<locked>> | 80% | 29,573 psi | 47% | 2398 fps | 98.9% |
| Vihtavuori N140 | <<locked>> | 80% | 30,879 psi | 50% | 2402 fps | 97.1% |
| Vihtavuori N150 | <<locked>> | 88% | 32,039 psi | 51% | 2444 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 35,302 psi | 57% | 2500 fps | 95.6% |
| Vihtavuori N540 | <<locked>> | 80% | 29,573 psi | 47% | 2382 fps | 96% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 38,348 psi | 61% | 2575 fps | 95.1% |
| Winchester 748 | <<locked>> | 80% | 34,055 psi | 55% | 2536 fps | 96.1% |
| Winchester StaBALL Match | <<locked>> | 86% | 38,406 psi | 62% | 2615 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 110 powders for 8.5 x 55 Blaser loaded with the .338 | 180gr | Ferrobull Entox Sport. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,018 fps; across all powders the maximum-charge window runs from 1,719 fps to 3,018 fps. Accurate 4064 gives the best case fill at 100 %, and 110 of the 110 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.338" calls for a 1:15.0 twist; slower twists will usually not stabilise this weight. Accurate 4064, Accurate 4350, ADI AR 2208 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 52, Hodgdon CFE223 rank at the top here: for 8.5 x 55 Blaser with the .338 | 180gr | Ferrobull Entox Sport they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2700, Accurate 4350, Alliant Reloder-16 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.