Load Specifications
Load data in caliber .308 Win. with .308 | 178gr | TWENTY-NINE SILENTIO bullet and 86 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon CFE223, Alliant Power Pro 1200-R and Winchester 748.
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 1680 | <<locked>> | 82% | 52,895 psi | 88% | 2372 fps | 100% |
| Accurate 2015 | <<locked>> | 94% | 51,619 psi | 86% | 2428 fps | 100% |
| Accurate 2200 | <<locked>> | 86% | 52,823 psi | 88% | 2500 fps | 97.5% |
| Accurate 2230 | <<locked>> | 86% | 53,505 psi | 89% | 2513 fps | 97.9% |
| Accurate 2460 | <<locked>> | 92% | 53,330 psi | 89% | 2487 fps | 100% |
| Accurate 2495ᴾ | <<locked>> | 100% | 49,893 psi | 83% | 2467 fps | 100% |
| Accurate 2520 | <<locked>> | 96% | 54,288 psi | 90% | 2536 fps | 99.9% |
| Accurate 4064ᴾ | <<locked>> | 100% | 46,296 psi | 77% | 2451 fps | 99.9% |
| Accurate LT-30 | <<locked>> | 88% | 53,505 psi | 89% | 2388 fps | 100% |
| Accurate LT-32 | <<locked>> | 88% | 54,012 psi | 90% | 2405 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 98% | 53,737 psi | 89% | 2533 fps | 98.4% |
| ADI AR 2207 | <<locked>> | 86% | 54,360 psi | 90% | 2411 fps | 100% |
| ADI AR 2208ᴾ | <<locked>> | 100% | 48,225 psi | 80% | 2431 fps | 96.7% |
| ADI AR 2219 | <<locked>> | 88% | 52,779 psi | 88% | 2493 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 96% | 53,476 psi | 89% | 2500 fps | 99.2% |
| Alliant AR-Comp | <<locked>> | 96% | 51,547 psi | 86% | 2493 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 92% | 54,462 psi | 90% | 2592 fps | 99.1% |
| Alliant Power Pro 2000-MRᴾ | <<locked>> | 100% | 53,417 psi | 89% | 2612 fps | 97.3% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 46,093 psi | 77% | 2444 fps | 98.1% |
| Alliant Reloder-10x | <<locked>> | 90% | 52,011 psi | 86% | 2441 fps | 100% |
| Alliant Reloder-15ᴾ | <<locked>> | 100% | 50,676 psi | 84% | 2510 fps | 97.5% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 41,234 psi | 69% | 2418 fps | 95.8% |
| Alliant Reloder-7 | <<locked>> | 84% | 52,199 psi | 87% | 2385 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 88% | 52,257 psi | 87% | 2392 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 98% | 53,490 psi | 89% | 2543 fps | 97.3% |
| Bofors RP3ᴾ | <<locked>> | 100% | 45,788 psi | 76% | 2454 fps | 98.1% |
| Hodgdon Benchmark | <<locked>> | 94% | 53,026 psi | 88% | 2448 fps | 99.5% |
| Hodgdon BL-C2 | <<locked>> | 96% | 51,271 psi | 85% | 2523 fps | 99.4% |
| Hodgdon CFE223 | <<locked>> | 94% | 53,374 psi | 89% | 2602 fps | 97.9% |
| Hodgdon H322 | <<locked>> | 90% | 51,111 psi | 85% | 2474 fps | 100% |
| Hodgdon H335 | <<locked>> | 90% | 52,141 psi | 87% | 2497 fps | 100% |
| Hodgdon H4198 | <<locked>> | 84% | 52,446 psi | 87% | 2392 fps | 100% |
| Hodgdon H4895 | <<locked>> | 98% | 54,056 psi | 90% | 2543 fps | 98.9% |
| Hodgdon LEVERevolutionᴾ | <<locked>> | 100% | 52,112 psi | 87% | 2566 fps | 99% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,417 psi | 56% | 1460 fps | 100% |
| Hodgdon VARGET | <<locked>> | 98% | 52,707 psi | 88% | 2503 fps | 98.6% |
| IMR 3031 | <<locked>> | 98% | 52,069 psi | 87% | 2539 fps | 100% |
| IMR 4064ᴾ | <<locked>> | 100% | 50,705 psi | 84% | 2461 fps | 97.4% |
| IMR 4198 | <<locked>> | 90% | 53,040 psi | 88% | 2408 fps | 100% |
| IMR 4895ᴾ | <<locked>> | 100% | 51,837 psi | 86% | 2543 fps | 98.3% |
| IMR 8208 XBR | <<locked>> | 96% | 53,476 psi | 89% | 2500 fps | 99.2% |
| Lovex D073.4 | <<locked>> | 86% | 54,114 psi | 90% | 2503 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 92% | 53,650 psi | 89% | 2497 fps | 99.7% |
| Lovex D073.6 | <<locked>> | 98% | 51,648 psi | 86% | 2516 fps | 99.8% |
| Lovex S060 | <<locked>> | 96% | 52,083 psi | 87% | 2434 fps | 98.1% |
| Lovex S062ᴾ | <<locked>> | 100% | 49,588 psi | 82% | 2464 fps | 98.9% |
| Norma 200 | <<locked>> | 86% | 52,228 psi | 87% | 2421 fps | 100% |
| Norma 201 | <<locked>> | 98% | 52,649 psi | 87% | 2490 fps | 99.2% |
| Norma 202 | <<locked>> | 98% | 52,591 psi | 87% | 2500 fps | 100% |
| Norma 203Bᴾ | <<locked>> | 100% | 49,705 psi | 83% | 2500 fps | 97.9% |
| Ramshot Big Gameᴾ | <<locked>> | 100% | 50,314 psi | 84% | 2520 fps | 97.6% |
| Ramshot Wild Boar | <<locked>> | 96% | 52,678 psi | 88% | 2526 fps | 98.2% |
| Ramshot X-Terminator | <<locked>> | 92% | 52,214 psi | 87% | 2461 fps | 97.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,663 psi | 56% | 1496 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 92% | 53,592 psi | 89% | 2497 fps | 99.8% |
| ReloadSwiss RS 52ᴾ | <<locked>> | 100% | 53,330 psi | 89% | 2612 fps | 97.9% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 44,164 psi | 73% | 2487 fps | 99% |
| Rottweil R 901 | <<locked>> | 96% | 53,679 psi | 89% | 2484 fps | 100% |
| Rottweil R 902ᴾ | <<locked>> | 100% | 52,678 psi | 88% | 2480 fps | 99.1% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 42,757 psi | 71% | 2395 fps | 97.2% |
| Shooters World AR Plus | <<locked>> | 86% | 54,114 psi | 90% | 2503 fps | 99.9% |
| Shooters World Match Rifle | <<locked>> | 98% | 51,648 psi | 86% | 2516 fps | 99.8% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 49,588 psi | 82% | 2464 fps | 98.9% |
| Shooters World Tactical Rifle | <<locked>> | 88% | 50,792 psi | 84% | 2421 fps | 98.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 84% | 51,996 psi | 86% | 2152 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 88% | 52,924 psi | 88% | 2500 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 45,266 psi | 75% | 2451 fps | 96.7% |
| SNPE Vectan SP 3 | <<locked>> | 90% | 53,171 psi | 88% | 2457 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 96% | 51,895 psi | 86% | 2480 fps | 96% |
| SNPE Vectan SP 9 | <<locked>> | 98% | 52,185 psi | 87% | 2507 fps | 98.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 96% | 52,243 psi | 87% | 2408 fps | 100% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 47,776 psi | 79% | 2362 fps | 100% |
| Somchem S321 | <<locked>> | 92% | 51,271 psi | 85% | 2493 fps | 99.2% |
| Somchem S335 | <<locked>> | 98% | 54,157 psi | 90% | 2451 fps | 100% |
| Somchem S341 | <<locked>> | 96% | 51,039 psi | 85% | 2477 fps | 97.8% |
| Somchem S355ᴾ | <<locked>> | 100% | 44,019 psi | 73% | 2402 fps | 97.2% |
| Vihtavuori N120 | <<locked>> | 86% | 54,317 psi | 90% | 2365 fps | 100% |
| Vihtavuori N130 | <<locked>> | 92% | 52,243 psi | 87% | 2395 fps | 100% |
| Vihtavuori N133 | <<locked>> | 96% | 51,677 psi | 86% | 2402 fps | 100% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 50,430 psi | 84% | 2461 fps | 100% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 53,026 psi | 88% | 2480 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 42,554 psi | 71% | 2352 fps | 98.1% |
| Vihtavuori N530 | <<locked>> | 96% | 54,099 psi | 90% | 2500 fps | 99.3% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 51,198 psi | 85% | 2480 fps | 99.9% |
| Winchester 748 | <<locked>> | 96% | 52,243 psi | 87% | 2539 fps | 99.6% |
| Winchester StaBALL Match | <<locked>> | 98% | 51,140 psi | 85% | 2510 fps | 98.5% |
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 1680 | <<locked>> | 80% | 49,269 psi | 82% | 2326 fps | 100% |
| Accurate 2015 | <<locked>> | 80% | 33,576 psi | 56% | 2146 fps | 99.5% |
| Accurate 2200 | <<locked>> | 80% | 43,511 psi | 72% | 2352 fps | 95.5% |
| Accurate 2230 | <<locked>> | 80% | 43,250 psi | 72% | 2359 fps | 95.9% |
| Accurate 2460 | <<locked>> | 80% | 35,766 psi | 59% | 2215 fps | 98.1% |
| Accurate 2495 | <<locked>> | 80% | 25,831 psi | 43% | 2044 fps | 98.2% |
| Accurate 2520 | <<locked>> | 80% | 31,401 psi | 52% | 2162 fps | 96.4% |
| Accurate 4064 | <<locked>> | 82% | 26,194 psi | 44% | 2064 fps | 95.7% |
| Accurate LT-30 | <<locked>> | 80% | 42,279 psi | 70% | 2231 fps | 99.8% |
| Accurate LT-32 | <<locked>> | 80% | 42,656 psi | 71% | 2241 fps | 98.9% |
| ADI AR 2206H | <<locked>> | 88% | 39,349 psi | 65% | 2303 fps | 95.4% |
| ADI AR 2207 | <<locked>> | 80% | 45,469 psi | 76% | 2300 fps | 100% |
| ADI AR 2208 | <<locked>> | 96% | 42,931 psi | 71% | 2346 fps | 95.4% |
| ADI AR 2219 | <<locked>> | 80% | 40,292 psi | 67% | 2310 fps | 99.6% |
| ADI Benchmark 8208 | <<locked>> | 82% | 34,621 psi | 58% | 2185 fps | 95.3% |
| Alliant AR-Comp | <<locked>> | 80% | 30,661 psi | 51% | 2165 fps | 100% |
| Alliant Power Pro 1200-R | 31.8 gr | 80% | 36,738 psi | 61% | 2297 fps | 95.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 96% | 46,789 psi | 78% | 2507 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 35,998 psi | 60% | 2270 fps | 95.6% |
| Alliant Reloder-10x | <<locked>> | 80% | 38,261 psi | 64% | 2238 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 41,959 psi | 70% | 2372 fps | 95.5% |
| Alliant Reloder-17 | <<locked>> | 98% | 38,798 psi | 64% | 2369 fps | 95% |
| Alliant Reloder-7 | <<locked>> | 80% | 46,412 psi | 77% | 2310 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 40,625 psi | 67% | 2224 fps | 99.8% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 43,903 psi | 73% | 2395 fps | 95.2% |
| Bofors RP3 | <<locked>> | 92% | 35,114 psi | 58% | 2267 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 35,114 psi | 58% | 2156 fps | 96.2% |
| Hodgdon BL-C2 | <<locked>> | 82% | 32,097 psi | 53% | 2192 fps | 95.3% |
| Hodgdon CFE223 | 37.3 gr | 86% | 40,712 psi | 68% | 2392 fps | 95% |
| Hodgdon H322 | <<locked>> | 80% | 36,811 psi | 61% | 2251 fps | 99.2% |
| Hodgdon H335 | <<locked>> | 80% | 37,115 psi | 62% | 2260 fps | 98.5% |
| Hodgdon H4198 | <<locked>> | 80% | 46,601 psi | 77% | 2310 fps | 99.9% |
| Hodgdon H4895 | <<locked>> | 86% | 37,130 psi | 62% | 2267 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 35,462 psi | 59% | 2277 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,671 psi | 41% | 1299 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 38,493 psi | 64% | 2277 fps | 95.7% |
| IMR 3031 | <<locked>> | 80% | 29,414 psi | 49% | 2146 fps | 98.2% |
| IMR 4064 | <<locked>> | 94% | 42,279 psi | 70% | 2329 fps | 95.6% |
| IMR 4198 | <<locked>> | 80% | 39,871 psi | 66% | 2224 fps | 100% |
| IMR 4895 | <<locked>> | 90% | 37,739 psi | 63% | 2310 fps | 95.1% |
| IMR 8208 XBR | <<locked>> | 82% | 34,621 psi | 58% | 2185 fps | 95.3% |
| Lovex D073.4 | <<locked>> | 80% | 43,758 psi | 73% | 2356 fps | 99% |
| Lovex D073.5 | <<locked>> | 80% | 35,737 psi | 59% | 2215 fps | 96.9% |
| Lovex D073.6 | <<locked>> | 80% | 28,123 psi | 47% | 2100 fps | 95.1% |
| Lovex S060 | <<locked>> | 86% | 38,609 psi | 64% | 2218 fps | 95.1% |
| Lovex S062 | <<locked>> | 88% | 34,476 psi | 57% | 2205 fps | 95.5% |
| Norma 200 | <<locked>> | 80% | 43,192 psi | 72% | 2297 fps | 100% |
| Norma 201 | <<locked>> | 84% | 34,098 psi | 57% | 2178 fps | 95.3% |
| Norma 202 | <<locked>> | 80% | 29,791 psi | 49% | 2106 fps | 96.5% |
| Norma 203B | <<locked>> | 92% | 38,566 psi | 64% | 2316 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 94% | 41,481 psi | 69% | 2379 fps | 95.5% |
| Ramshot Wild Boar | <<locked>> | 88% | 40,480 psi | 67% | 2333 fps | 95.6% |
| Ramshot X-Terminator | <<locked>> | 84% | 40,451 psi | 67% | 2277 fps | 95.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,700 psi | 41% | 1332 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 36,738 psi | 61% | 2228 fps | 97.5% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 40,944 psi | 68% | 2411 fps | 95.1% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 32,285 psi | 54% | 2234 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 33,431 psi | 56% | 2146 fps | 97.4% |
| Rottweil R 902 | <<locked>> | 86% | 34,432 psi | 57% | 2178 fps | 95.4% |
| Rottweil R 903 | <<locked>> | 94% | 35,041 psi | 58% | 2257 fps | 95% |
| Shooters World AR Plus | <<locked>> | 80% | 43,758 psi | 73% | 2356 fps | 99% |
| Shooters World Match Rifle | <<locked>> | 80% | 28,123 psi | 47% | 2100 fps | 95.1% |
| Shooters World Precision | <<locked>> | 88% | 34,476 psi | 57% | 2205 fps | 95.5% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 38,725 psi | 64% | 2231 fps | 96.2% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 46,891 psi | 78% | 2090 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 40,654 psi | 68% | 2316 fps | 99.1% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 40,118 psi | 67% | 2359 fps | 95.2% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 38,899 psi | 65% | 2247 fps | 99.8% |
| SNPE Vectan SP 7 | <<locked>> | 94% | 48,269 psi | 80% | 2428 fps | 95.2% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 40,466 psi | 67% | 2323 fps | 95.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 32,082 psi | 53% | 2080 fps | 97.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 26,005 psi | 43% | 1959 fps | 96% |
| Somchem S321 | <<locked>> | 80% | 34,461 psi | 57% | 2208 fps | 95.7% |
| Somchem S335 | <<locked>> | 80% | 31,328 psi | 52% | 2083 fps | 97.8% |
| Somchem S341 | <<locked>> | 88% | 39,146 psi | 65% | 2290 fps | 95.1% |
| Somchem S355 | <<locked>> | 94% | 36,637 psi | 61% | 2270 fps | 95.2% |
| Vihtavuori N120 | <<locked>> | 80% | 45,527 psi | 76% | 2257 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 36,550 psi | 61% | 2162 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 31,923 psi | 53% | 2090 fps | 99.2% |
| Vihtavuori N135 | <<locked>> | 80% | 26,934 psi | 45% | 2054 fps | 98.3% |
| Vihtavuori N140 | <<locked>> | 80% | 28,268 psi | 47% | 2054 fps | 96.3% |
| Vihtavuori N150 | <<locked>> | 92% | 32,880 psi | 55% | 2172 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 82% | 34,461 psi | 57% | 2182 fps | 95.4% |
| Vihtavuori N540 | <<locked>> | 80% | 26,977 psi | 45% | 2037 fps | 95% |
| Winchester 748 | 34.2 gr | 82% | 33,141 psi | 55% | 2211 fps | 95.9% |
| Winchester StaBALL Match | <<locked>> | 88% | 36,840 psi | 61% | 2277 fps | 95.3% |
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 86 powders for .308 Win. loaded with the .308 | 178gr | TWENTY-NINE SILENTIO. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,612 fps; across all powders the maximum-charge window runs from 1,460 fps to 2,612 fps. Accurate 2495 gives the best case fill at 100 %, and 86 of the 86 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 178.0 gr projectile in 0.308" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 2495, Accurate 4064, 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. Hodgdon CFE223, Alliant Power Pro 1200-R, Winchester 748 rank at the top here: for .308 Win. with the .308 | 178gr | TWENTY-NINE SILENTIO 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.