Load Specifications
Load data in caliber .30 R Blaser with .300 | 220gr | Berry's Spire Point bullet and 84 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Norma MRP and ReloadSwiss RS 70.
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 2700 | <<locked>> | 84% | 50,763 psi | 86% | 2346 fps | 98.8% |
| Accurate 3100 | <<locked>> | 98% | 50,575 psi | 86% | 2425 fps | 99.8% |
| Accurate 4064 | <<locked>> | 82% | 52,475 psi | 89% | 2369 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 52,678 psi | 90% | 2464 fps | 100% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 52,837 psi | 90% | 2546 fps | 96% |
| ADI AR 2208 | <<locked>> | 84% | 52,518 psi | 89% | 2398 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 50,169 psi | 85% | 2454 fps | 98.2% |
| ADI AR 2213 | <<locked>> | 98% | 51,227 psi | 87% | 2500 fps | 97.3% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 50,125 psi | 85% | 2451 fps | 98.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 53,040 psi | 90% | 2415 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 50,299 psi | 86% | 2467 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 50,836 psi | 87% | 2484 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 53,127 psi | 90% | 2497 fps | 98.7% |
| Alliant Reloder-22 | <<locked>> | 98% | 50,125 psi | 85% | 2497 fps | 98.5% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 50,821 psi | 87% | 2484 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 44,266 psi | 75% | 2431 fps | 99.7% |
| Alliant Reloder-26 | <<locked>> | 96% | 50,575 psi | 86% | 2559 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 49,153 psi | 84% | 2480 fps | 98.2% |
| Bofors RP3 | <<locked>> | 82% | 50,430 psi | 86% | 2385 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 50,125 psi | 85% | 2497 fps | 98.5% |
| Bofors RP7 | <<locked>> | 86% | 50,038 psi | 85% | 2375 fps | 98.9% |
| Hodgdon H380 | <<locked>> | 82% | 50,676 psi | 86% | 2398 fps | 100% |
| Hodgdon H414 | <<locked>> | 86% | 52,504 psi | 89% | 2480 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 90% | 53,113 psi | 90% | 2451 fps | 98.9% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 50,662 psi | 86% | 2441 fps | 96.5% |
| Hodgdon H4831 SC | <<locked>> | 96% | 50,357 psi | 86% | 2434 fps | 96.5% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 50,473 psi | 86% | 2402 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 52,141 psi | 89% | 2431 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 43,178 psi | 74% | 2457 fps | 97.7% |
| Hodgdon Superformance | <<locked>> | 88% | 50,995 psi | 87% | 2493 fps | 99.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,521 psi | 62% | 1503 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 51,953 psi | 88% | 2385 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 51,387 psi | 87% | 2372 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 50,444 psi | 86% | 2356 fps | 99.3% |
| IMR 4350 | <<locked>> | 90% | 50,879 psi | 87% | 2405 fps | 99% |
| IMR 4451 Enduron | <<locked>> | 86% | 51,779 psi | 88% | 2402 fps | 99.4% |
| IMR 4831 | <<locked>> | 94% | 50,821 psi | 87% | 2428 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 49,922 psi | 85% | 2395 fps | 96.5% |
| IMR 7828 SSC | <<locked>> | 98% | 52,649 psi | 90% | 2533 fps | 97.7% |
| Lovex S062 | <<locked>> | 82% | 52,141 psi | 89% | 2375 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 51,663 psi | 88% | 2395 fps | 99.9% |
| Lovex S070 | <<locked>> | 90% | 52,823 psi | 90% | 2434 fps | 99.6% |
| Lovex S071ᴾ | <<locked>> | 100% | 44,991 psi | 77% | 2346 fps | 99.2% |
| Norma 203B | <<locked>> | 82% | 52,765 psi | 90% | 2425 fps | 100% |
| Norma 204 | <<locked>> | 90% | 51,242 psi | 87% | 2448 fps | 98.2% |
| Norma MRP | <<locked>> | 96% | 49,647 psi | 85% | 2520 fps | 99.4% |
| Norma URP | <<locked>> | 90% | 51,576 psi | 88% | 2451 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 53,142 psi | 90% | 2444 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 52,243 psi | 89% | 2536 fps | 97.9% |
| Ramshot Hunter | <<locked>> | 90% | 50,343 psi | 86% | 2454 fps | 99.7% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 52,634 psi | 90% | 2516 fps | 99.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,217 psi | 63% | 1539 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 50,836 psi | 87% | 2388 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 50,647 psi | 86% | 2477 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 52,388 psi | 89% | 2484 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 50,966 psi | 87% | 2510 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 42,989 psi | 73% | 2454 fps | 98.6% |
| Rottweil R 903 | <<locked>> | 84% | 50,604 psi | 86% | 2385 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 51,851 psi | 88% | 2431 fps | 97.5% |
| Rottweil R 905 | <<locked>> | 96% | 52,170 psi | 89% | 2484 fps | 98.7% |
| Rottweil R 907 | <<locked>> | 86% | 50,038 psi | 85% | 2375 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 88% | 51,663 psi | 88% | 2395 fps | 99.9% |
| Shooters World Precision | <<locked>> | 82% | 52,141 psi | 89% | 2375 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 52,823 psi | 90% | 2434 fps | 99.6% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 51,866 psi | 88% | 2434 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 51,750 psi | 88% | 2283 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 51,184 psi | 87% | 2356 fps | 99.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 51,706 psi | 88% | 2477 fps | 98.6% |
| Somchem S355 | <<locked>> | 84% | 50,836 psi | 87% | 2382 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 50,096 psi | 85% | 2379 fps | 96.3% |
| Somchem S365 | <<locked>> | 92% | 50,705 psi | 86% | 2454 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 52,895 psi | 90% | 2464 fps | 99.3% |
| Unknown powder | <<locked>> | 88% | 52,185 psi | 89% | 2454 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 52,199 psi | 89% | 2365 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 52,475 psi | 89% | 2428 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 50,140 psi | 85% | 2415 fps | 98.7% |
| Vihtavuori N550 | <<locked>> | 88% | 53,055 psi | 90% | 2470 fps | 100% |
| Vihtavuori N555 | <<locked>> | 96% | 49,908 psi | 85% | 2461 fps | 100% |
| Vihtavuori N560 | <<locked>> | 98% | 50,575 psi | 86% | 2520 fps | 96.9% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 45,745 psi | 78% | 2434 fps | 96.1% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 53,084 psi | 90% | 2418 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 52,504 psi | 89% | 2480 fps | 99.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 45,876 psi | 78% | 2543 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 50,923 psi | 87% | 2431 fps | 98.3% |
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 2700 | <<locked>> | 80% | 44,672 psi | 76% | 2254 fps | 97.8% |
| Accurate 3100 | <<locked>> | 82% | 29,559 psi | 50% | 2054 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 49,269 psi | 84% | 2329 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 37,463 psi | 64% | 2228 fps | 99.1% |
| Accurate MAGPRO | <<locked>> | 98% | 49,255 psi | 84% | 2493 fps | 95.1% |
| ADI AR 2208 | <<locked>> | 80% | 46,354 psi | 79% | 2310 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 38,841 psi | 66% | 2260 fps | 95.3% |
| ADI AR 2213 | <<locked>> | 94% | 44,991 psi | 77% | 2395 fps | 95.7% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 38,885 psi | 66% | 2260 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 47,065 psi | 80% | 2333 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 36,637 psi | 62% | 2238 fps | 99.2% |
| Alliant Reloder-17 | <<locked>> | 80% | 41,365 psi | 70% | 2343 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 38,595 psi | 66% | 2257 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 90% | 38,566 psi | 66% | 2300 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,890 psi | 46% | 2034 fps | 97.5% |
| Alliant Reloder-25 | <<locked>> | 88% | 30,342 psi | 52% | 2136 fps | 95.8% |
| Alliant Reloder-26 | 52.3 gr | 80% | 28,543 psi | 49% | 2129 fps | 95.9% |
| Bofors RP15 | <<locked>> | 92% | 38,116 psi | 65% | 2287 fps | 95.3% |
| Bofors RP3 | <<locked>> | 80% | 47,326 psi | 81% | 2343 fps | 100% |
| Bofors RP5 | <<locked>> | 90% | 38,566 psi | 66% | 2300 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 41,495 psi | 71% | 2234 fps | 97.3% |
| Hodgdon H380 | <<locked>> | 80% | 47,601 psi | 81% | 2356 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 80% | 42,728 psi | 73% | 2326 fps | 98.2% |
| Hodgdon H4350 | <<locked>> | 80% | 39,044 psi | 66% | 2221 fps | 95.9% |
| Hodgdon H4831 | <<locked>> | 98% | 47,456 psi | 81% | 2392 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 94% | 47,224 psi | 80% | 2388 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 34,243 psi | 58% | 2146 fps | 99.5% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 48,936 psi | 83% | 2388 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 96% | 38,116 psi | 65% | 2352 fps | 95.8% |
| Hodgdon Superformance | <<locked>> | 80% | 38,247 psi | 65% | 2277 fps | 96.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,296 psi | 46% | 1342 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 49,037 psi | 83% | 2346 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 45,542 psi | 78% | 2290 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 44,817 psi | 76% | 2270 fps | 98.5% |
| IMR 4350 | <<locked>> | 80% | 37,304 psi | 64% | 2178 fps | 96.1% |
| IMR 4451 Enduron | <<locked>> | 80% | 43,062 psi | 73% | 2264 fps | 98% |
| IMR 4831 | <<locked>> | 80% | 32,866 psi | 56% | 2123 fps | 98.1% |
| IMR 4955 Enduron | <<locked>> | 90% | 44,135 psi | 75% | 2303 fps | 95% |
| IMR 7828 SSC | <<locked>> | 92% | 43,120 psi | 73% | 2375 fps | 95.3% |
| Lovex S062 | <<locked>> | 80% | 49,008 psi | 83% | 2333 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 40,553 psi | 69% | 2221 fps | 98.7% |
| Lovex S070 | <<locked>> | 80% | 38,740 psi | 66% | 2208 fps | 97.4% |
| Lovex S071 | <<locked>> | 88% | 30,719 psi | 52% | 2080 fps | 95.5% |
| Norma 203B | <<locked>> | 80% | 49,342 psi | 84% | 2375 fps | 100% |
| Norma 204 | <<locked>> | 82% | 39,189 psi | 67% | 2251 fps | 95.4% |
| Norma MRP | 53.3 gr | 84% | 33,054 psi | 56% | 2208 fps | 95% |
| Norma URP | <<locked>> | 80% | 37,333 psi | 64% | 2224 fps | 99% |
| Ramshot Big Game | <<locked>> | 80% | 49,676 psi | 85% | 2398 fps | 100% |
| Ramshot Grand | <<locked>> | 90% | 42,032 psi | 72% | 2369 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 80% | 36,129 psi | 62% | 2215 fps | 97.3% |
| Ramshot Magnum | <<locked>> | 90% | 36,318 psi | 62% | 2241 fps | 95.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,789 psi | 47% | 1375 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 47,572 psi | 81% | 2339 fps | 99.3% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 43,947 psi | 75% | 2382 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 37,318 psi | 64% | 2247 fps | 98.9% |
| ReloadSwiss RS 70 | 51.8 gr | 80% | 36,114 psi | 61% | 2251 fps | 98.4% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 34,998 psi | 60% | 2280 fps | 95.7% |
| Rottweil R 903 | <<locked>> | 80% | 44,469 psi | 76% | 2297 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 43,120 psi | 73% | 2293 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 86% | 37,594 psi | 64% | 2241 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 80% | 41,495 psi | 71% | 2234 fps | 97.3% |
| Shooters World Long Rifle | <<locked>> | 80% | 40,553 psi | 69% | 2221 fps | 98.7% |
| Shooters World Precision | <<locked>> | 80% | 49,008 psi | 83% | 2333 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 38,740 psi | 66% | 2208 fps | 97.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 45,527 psi | 78% | 2343 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 45,774 psi | 78% | 2208 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 39,537 psi | 67% | 2172 fps | 97.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 37,231 psi | 63% | 2234 fps | 95.2% |
| Somchem S355 | <<locked>> | 80% | 44,860 psi | 76% | 2297 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 46,920 psi | 80% | 2333 fps | 95.5% |
| Somchem S365 | <<locked>> | 80% | 33,837 psi | 58% | 2188 fps | 100% |
| Somchem S385 | <<locked>> | 84% | 35,752 psi | 61% | 2182 fps | 95.6% |
| Unknown powder | <<locked>> | 80% | 40,132 psi | 68% | 2267 fps | 99% |
| Vihtavuori N150 | <<locked>> | 80% | 38,493 psi | 66% | 2169 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 40,190 psi | 68% | 2244 fps | 99.4% |
| Vihtavuori N165 | <<locked>> | 90% | 36,332 psi | 62% | 2185 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 40,857 psi | 70% | 2283 fps | 99.4% |
| Vihtavuori N555 | <<locked>> | 80% | 29,588 psi | 50% | 2096 fps | 97.5% |
| Vihtavuori N560 | <<locked>> | 94% | 44,309 psi | 75% | 2415 fps | 95.3% |
| Vihtavuori N565 | <<locked>> | 98% | 42,598 psi | 73% | 2382 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,695 psi | 64% | 2192 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 42,728 psi | 73% | 2326 fps | 98.2% |
| Winchester StaBALL HD | <<locked>> | 80% | 23,670 psi | 40% | 2014 fps | 96.5% |
| Winchester Supreme 780 | <<locked>> | 86% | 38,276 psi | 65% | 2228 fps | 95.2% |
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 84 powders for .30 R Blaser loaded with the .300 | 220gr | Berry's Spire Point. Alliant Reloder-26 delivers the highest muzzle velocity at 2,559 fps; across all powders the maximum-charge window runs from 1,503 fps to 2,559 fps. Accurate MAGPRO gives the best case fill at 100 %, and 84 of the 84 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 62–90 %, leaving at least 10 % headroom. The 220.0 gr projectile in 0.308" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Accurate MAGPRO, Alliant Reloder-23, 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, Norma MRP, ReloadSwiss RS 70 rank at the top here: for .30 R Blaser with the .300 | 220gr | Berry's Spire Point 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.