Load Specifications
Load data in caliber .33 Win. with .338 | 225gr | Alaska Bullet Works Kodiak PP SPBC bullet and 47 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Hodgdon BL-C2 and Lovex D073.6.
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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Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 86% | 39,378 psi | 89% | 2159 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 39,798 psi | 90% | 2195 fps | 98.9% |
| Accurate 2495 | <<locked>> | 94% | 39,711 psi | 90% | 2231 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 37,347 psi | 84% | 2192 fps | 98.2% |
| Accurate 4064 | <<locked>> | 96% | 39,668 psi | 90% | 2254 fps | 99.4% |
| ADI Benchmark 8208 | <<locked>> | 86% | 38,522 psi | 87% | 2169 fps | 96.6% |
| Alliant AR-Comp | <<locked>> | 88% | 38,740 psi | 88% | 2221 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 38,464 psi | 87% | 2234 fps | 96.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 39,668 psi | 90% | 2244 fps | 96.7% |
| Alliant Reloder-10x | <<locked>> | 82% | 39,885 psi | 90% | 2172 fps | 100% |
| Bofors RP3 | <<locked>> | 96% | 39,001 psi | 88% | 2247 fps | 96.6% |
| Hodgdon Benchmark | <<locked>> | 84% | 38,667 psi | 87% | 2129 fps | 97.2% |
| Hodgdon BL-C2 | <<locked>> | 88% | 38,014 psi | 86% | 2221 fps | 97.2% |
| Hodgdon H322 | <<locked>> | 82% | 38,276 psi | 87% | 2182 fps | 99.4% |
| Hodgdon H335 | <<locked>> | 82% | 38,856 psi | 88% | 2198 fps | 98.9% |
| Hodgdon H4895 | <<locked>> | 88% | 38,769 psi | 88% | 2205 fps | 96% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 39,363 psi | 89% | 2257 fps | 96.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,373 psi | 75% | 1388 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 40,016 psi | 90% | 2208 fps | 96.1% |
| IMR 3031 | <<locked>> | 90% | 39,247 psi | 89% | 2254 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 86% | 38,522 psi | 87% | 2169 fps | 96.6% |
| Lovex D073.5 | <<locked>> | 84% | 39,711 psi | 90% | 2195 fps | 97.9% |
| Lovex D073.6 | <<locked>> | 90% | 38,406 psi | 87% | 2221 fps | 98.4% |
| Lovex S062 | <<locked>> | 92% | 37,869 psi | 86% | 2178 fps | 96.6% |
| Norma 201 | <<locked>> | 88% | 37,681 psi | 85% | 2156 fps | 96.5% |
| Norma 202 | <<locked>> | 90% | 39,900 psi | 90% | 2218 fps | 99.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,475 psi | 76% | 1424 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 38,159 psi | 86% | 2162 fps | 97.9% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 37,971 psi | 86% | 2267 fps | 97.5% |
| Rottweil R 901 | <<locked>> | 86% | 39,030 psi | 88% | 2162 fps | 98.7% |
| Rottweil R 902 | <<locked>> | 90% | 37,913 psi | 86% | 2156 fps | 96.5% |
| Rottweil R 903 | <<locked>> | 98% | 38,653 psi | 87% | 2231 fps | 96.2% |
| Shooters World Match Rifle | <<locked>> | 90% | 38,406 psi | 87% | 2221 fps | 98.4% |
| Shooters World Precision | <<locked>> | 92% | 37,869 psi | 86% | 2178 fps | 96.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 37,840 psi | 86% | 2100 fps | 98.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 38,740 psi | 88% | 2133 fps | 99.4% |
| Somchem S321 | <<locked>> | 84% | 38,218 psi | 86% | 2188 fps | 96.9% |
| Somchem S335 | <<locked>> | 88% | 39,102 psi | 88% | 2142 fps | 99.4% |
| Vihtavuori N130 | <<locked>> | 82% | 38,029 psi | 86% | 2096 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 39,740 psi | 90% | 2139 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 38,290 psi | 87% | 2192 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 37,666 psi | 85% | 2159 fps | 99% |
| Vihtavuori N150 | <<locked>> | 98% | 38,653 psi | 87% | 2192 fps | 97.3% |
| Vihtavuori N530 | <<locked>> | 86% | 38,319 psi | 87% | 2162 fps | 96.6% |
| Vihtavuori N540 | <<locked>> | 92% | 38,479 psi | 87% | 2192 fps | 98.7% |
| Winchester 748 | <<locked>> | 88% | 39,175 psi | 89% | 2238 fps | 97.8% |
| Winchester StaBALL Match | <<locked>> | 90% | 38,334 psi | 87% | 2208 fps | 95.8% |
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% | 32,619 psi | 74% | 2041 fps | 99.4% |
| Accurate 2460 | <<locked>> | 80% | 35,012 psi | 79% | 2110 fps | 97.9% |
| Accurate 2495 | <<locked>> | 80% | 25,135 psi | 57% | 1946 fps | 98% |
| Accurate 2520 | <<locked>> | 80% | 30,443 psi | 69% | 2054 fps | 96.1% |
| Accurate 4064 | <<locked>> | 82% | 25,512 psi | 58% | 1962 fps | 95.5% |
| ADI Benchmark 8208 | <<locked>> | 82% | 33,968 psi | 77% | 2083 fps | 95.1% |
| Alliant AR-Comp | <<locked>> | 80% | 29,878 psi | 68% | 2057 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 35,984 psi | 81% | 2188 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 35,186 psi | 80% | 2162 fps | 95.3% |
| Alliant Reloder-10x | <<locked>> | 80% | 37,550 psi | 85% | 2133 fps | 100% |
| Bofors RP3 | <<locked>> | 92% | 34,185 psi | 77% | 2159 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 34,403 psi | 78% | 2051 fps | 96% |
| Hodgdon BL-C2 | 38.9 gr | 82% | 31,241 psi | 71% | 2087 fps | 95% |
| Hodgdon H322 | <<locked>> | 80% | 36,085 psi | 82% | 2142 fps | 99.1% |
| Hodgdon H335 | <<locked>> | 80% | 36,187 psi | 82% | 2152 fps | 98.4% |
| Hodgdon H4895 | <<locked>> | 86% | 36,419 psi | 82% | 2162 fps | 95.2% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 36,767 psi | 83% | 2208 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,671 psi | 56% | 1237 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 37,608 psi | 85% | 2165 fps | 95.4% |
| IMR 3031 | <<locked>> | 80% | 28,645 psi | 65% | 2041 fps | 98% |
| IMR 8208 XBR | <<locked>> | 82% | 33,968 psi | 77% | 2083 fps | 95.1% |
| Lovex D073.5 | <<locked>> | 80% | 34,708 psi | 78% | 2106 fps | 96.6% |
| Lovex D073.6 | 37.6 gr | 82% | 29,240 psi | 66% | 2041 fps | 95.6% |
| Lovex S062 | <<locked>> | 88% | 33,591 psi | 76% | 2096 fps | 95.2% |
| Norma 201 | <<locked>> | 84% | 33,388 psi | 75% | 2073 fps | 95.1% |
| Norma 202 | <<locked>> | 80% | 29,080 psi | 66% | 2005 fps | 96.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,642 psi | 56% | 1266 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 35,810 psi | 81% | 2119 fps | 97.3% |
| ReloadSwiss RS 60 | 42.9 gr | 92% | 33,402 psi | 76% | 2169 fps | 95.6% |
| Rottweil R 901 | <<locked>> | 80% | 32,793 psi | 74% | 2044 fps | 97.3% |
| Rottweil R 902 | <<locked>> | 86% | 33,663 psi | 76% | 2073 fps | 95.2% |
| Rottweil R 903 | <<locked>> | 96% | 36,172 psi | 82% | 2188 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 82% | 29,240 psi | 66% | 2041 fps | 95.6% |
| Shooters World Precision | <<locked>> | 88% | 33,591 psi | 76% | 2096 fps | 95.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 31,531 psi | 71% | 1978 fps | 97% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 25,556 psi | 58% | 1867 fps | 95.9% |
| Somchem S321 | <<locked>> | 80% | 33,460 psi | 76% | 2100 fps | 95.4% |
| Somchem S335 | <<locked>> | 80% | 30,705 psi | 69% | 1982 fps | 97.7% |
| Vihtavuori N130 | <<locked>> | 80% | 35,926 psi | 81% | 2060 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 31,343 psi | 71% | 1991 fps | 99.1% |
| Vihtavuori N135 | <<locked>> | 80% | 26,368 psi | 60% | 1955 fps | 98.2% |
| Vihtavuori N140 | <<locked>> | 80% | 27,572 psi | 62% | 1955 fps | 96% |
| Vihtavuori N150 | <<locked>> | 92% | 32,068 psi | 72% | 2067 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 82% | 33,663 psi | 76% | 2077 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 82% | 28,166 psi | 64% | 1985 fps | 95.7% |
| Winchester 748 | <<locked>> | 82% | 32,256 psi | 73% | 2103 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 88% | 36,056 psi | 82% | 2165 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 47 powders for .33 Win. loaded with the .338 | 225gr | Alaska Bullet Works Kodiak PP SPBC. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,267 fps; across all powders the maximum-charge window runs from 1,388 fps to 2,267 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 47 of the 47 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (305 MPa), the top charges use 75–90 %, leaving at least 10 % headroom. The 225.0 gr projectile in 0.338" calls for a 1:15.5 twist; slower twists will usually not stabilise this weight. Hodgdon TrailBoss, ReloadSwiss RS 14 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 60, Hodgdon BL-C2, Lovex D073.6 rank at the top here: for .33 Win. with the .338 | 225gr | Alaska Bullet Works Kodiak PP SPBC 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.