Load Specifications
Load data in caliber 7.62 UKM with .308 | 120gr | SAKO Powerhead Blade bullet and 97 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 60 and Alliant Reloder-17.
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 2015 | <<locked>> | 84% | 55,056 psi | 86% | 3284 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 57,246 psi | 90% | 3360 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 57,696 psi | 90% | 3353 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 55,782 psi | 87% | 3369 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 56,985 psi | 89% | 3333 fps | 95.8% |
| Accurate 4064 | <<locked>> | 92% | 57,580 psi | 90% | 3402 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 54,244 psi | 85% | 3419 fps | 98.7% |
| ADI AR 2206H | <<locked>> | 86% | 54,360 psi | 85% | 3376 fps | 99.4% |
| ADI AR 2208 | <<locked>> | 92% | 55,550 psi | 87% | 3373 fps | 99.2% |
| ADI Benchmark 8208 | <<locked>> | 86% | 56,782 psi | 89% | 3386 fps | 100% |
| Alliant AR-Comp | <<locked>> | 86% | 57,638 psi | 90% | 3366 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 54,085 psi | 85% | 3494 fps | 99.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 55,506 psi | 87% | 3399 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 90% | 56,028 psi | 88% | 3422 fps | 99.3% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 55,332 psi | 87% | 3484 fps | 99.2% |
| Alliant Reloder-17 | <<locked>> | 96% | 56,971 psi | 89% | 3530 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 39,624 psi | 62% | 3153 fps | 97.2% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 44,759 psi | 70% | 3330 fps | 96.5% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 54,360 psi | 85% | 3383 fps | 98.8% |
| Bofors RP3 | <<locked>> | 92% | 56,478 psi | 89% | 3419 fps | 99.9% |
| Bofors RP7 | <<locked>> | 96% | 56,376 psi | 88% | 3369 fps | 96% |
| Hodgdon Benchmark | <<locked>> | 84% | 54,868 psi | 86% | 3310 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 86% | 56,623 psi | 89% | 3415 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 54,665 psi | 86% | 3458 fps | 99.2% |
| Hodgdon H322 | <<locked>> | 82% | 57,305 psi | 90% | 3386 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 57,537 psi | 90% | 3432 fps | 98.7% |
| Hodgdon H414 | <<locked>> | 98% | 57,261 psi | 90% | 3474 fps | 96.9% |
| Hodgdon H4895 | <<locked>> | 86% | 54,882 psi | 86% | 3389 fps | 99.7% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 51,576 psi | 81% | 3340 fps | 99.5% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 54,462 psi | 85% | 3419 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,215 psi | 55% | 2152 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 56,101 psi | 88% | 3392 fps | 99.8% |
| IMR 3031 | <<locked>> | 86% | 54,636 psi | 86% | 3383 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 54,998 psi | 86% | 3360 fps | 99.3% |
| IMR 4166 Enduron | <<locked>> | 88% | 54,853 psi | 86% | 3323 fps | 96.3% |
| IMR 4198 | <<locked>> | 82% | 57,566 psi | 90% | 3301 fps | 100% |
| IMR 4350ᴾ | <<locked>> | 100% | 56,826 psi | 89% | 3396 fps | 96.2% |
| IMR 4451 Enduron | <<locked>> | 94% | 54,911 psi | 86% | 3350 fps | 96.2% |
| IMR 4831ᴾ | <<locked>> | 100% | 54,723 psi | 86% | 3406 fps | 98.8% |
| IMR 4895 | <<locked>> | 90% | 57,464 psi | 90% | 3461 fps | 99.7% |
| IMR 8208 XBR | <<locked>> | 86% | 56,782 psi | 89% | 3386 fps | 100% |
| Lovex D073.5 | <<locked>> | 82% | 57,145 psi | 90% | 3366 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 54,085 psi | 85% | 3350 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 57,246 psi | 90% | 3360 fps | 99.7% |
| Lovex S062 | <<locked>> | 90% | 54,708 psi | 86% | 3353 fps | 99.9% |
| Lovex S065 | <<locked>> | 98% | 57,696 psi | 90% | 3399 fps | 98.1% |
| Lovex S070 | <<locked>> | 98% | 55,143 psi | 86% | 3373 fps | 96.7% |
| Norma 201 | <<locked>> | 88% | 56,594 psi | 89% | 3379 fps | 100% |
| Norma 202 | <<locked>> | 88% | 57,029 psi | 89% | 3383 fps | 100% |
| Norma 203B | <<locked>> | 90% | 55,274 psi | 87% | 3409 fps | 99.5% |
| Norma URPᴾ | <<locked>> | 100% | 56,884 psi | 89% | 3465 fps | 99% |
| Ramshot Big Game | <<locked>> | 90% | 56,159 psi | 88% | 3432 fps | 99.6% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 55,912 psi | 88% | 3455 fps | 97.6% |
| Ramshot TAC | <<locked>> | 86% | 57,522 psi | 90% | 3399 fps | 98.2% |
| Ramshot Wild Boar | <<locked>> | 86% | 57,072 psi | 89% | 3419 fps | 99.6% |
| Ramshot X-Terminator | <<locked>> | 82% | 54,230 psi | 85% | 3320 fps | 99.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,621 psi | 56% | 2201 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 56,072 psi | 88% | 3366 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 54,128 psi | 85% | 3337 fps | 96.8% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 56,666 psi | 89% | 3497 fps | 99.3% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 56,463 psi | 88% | 3537 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 53,998 psi | 85% | 3435 fps | 98.5% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 57,653 psi | 90% | 3533 fps | 98.8% |
| Rottweil R 901 | <<locked>> | 86% | 57,203 psi | 90% | 3363 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 57,029 psi | 89% | 3376 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 56,318 psi | 88% | 3406 fps | 99.8% |
| Rottweil R 907 | <<locked>> | 96% | 56,376 psi | 88% | 3369 fps | 96% |
| Shooters World Long Rifle | <<locked>> | 98% | 57,696 psi | 90% | 3399 fps | 98.1% |
| Shooters World Match Rifle | <<locked>> | 86% | 54,085 psi | 85% | 3350 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 54,708 psi | 86% | 3353 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 98% | 55,143 psi | 86% | 3373 fps | 96.7% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 54,375 psi | 85% | 3409 fps | 99.4% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 55,869 psi | 88% | 3369 fps | 98.4% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 56,434 psi | 88% | 3399 fps | 99.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 54,360 psi | 85% | 3261 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 54,940 psi | 86% | 3255 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 54,708 psi | 86% | 3284 fps | 96.3% |
| Somchem S321 | <<locked>> | 82% | 54,723 psi | 86% | 3360 fps | 100% |
| Somchem S335 | <<locked>> | 88% | 57,479 psi | 90% | 3310 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 55,390 psi | 87% | 3360 fps | 99.5% |
| Somchem S355 | <<locked>> | 94% | 56,492 psi | 89% | 3406 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 51,140 psi | 80% | 3402 fps | 100% |
| Vihtavuori N130 | <<locked>> | 84% | 57,566 psi | 90% | 3281 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 54,578 psi | 86% | 3248 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 56,666 psi | 89% | 3340 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 54,186 psi | 85% | 3301 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 54,563 psi | 86% | 3323 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 55,811 psi | 87% | 3402 fps | 98.8% |
| Vihtavuori N530 | <<locked>> | 86% | 57,363 psi | 90% | 3386 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 56,217 psi | 88% | 3350 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 54,839 psi | 86% | 3402 fps | 98.5% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 43,453 psi | 68% | 3248 fps | 97.2% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 56,507 psi | 89% | 3376 fps | 99.9% |
| Winchester 748 | <<locked>> | 86% | 57,450 psi | 90% | 3435 fps | 100% |
| Winchester 760 | <<locked>> | 98% | 57,522 psi | 90% | 3478 fps | 97% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 35,679 psi | 56% | 3127 fps | 96.5% |
| Winchester StaBALL Match | <<locked>> | 88% | 56,463 psi | 88% | 3409 fps | 99.8% |
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% | 48,515 psi | 76% | 3173 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 53,374 psi | 84% | 3297 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 41,365 psi | 65% | 3071 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 48,486 psi | 76% | 3241 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 53,359 psi | 84% | 3268 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 39,088 psi | 61% | 3054 fps | 99.6% |
| Accurate 4350 | <<locked>> | 90% | 40,698 psi | 64% | 3140 fps | 95.6% |
| ADI AR 2206H | <<locked>> | 80% | 44,773 psi | 70% | 3186 fps | 97.9% |
| ADI AR 2208 | <<locked>> | 80% | 38,043 psi | 60% | 3002 fps | 95.3% |
| ADI Benchmark 8208 | <<locked>> | 80% | 46,833 psi | 73% | 3202 fps | 99.2% |
| Alliant AR-Comp | <<locked>> | 80% | 47,137 psi | 74% | 3202 fps | 100% |
| Alliant Power Pro 2000-MR | 66.6 gr | 80% | 40,886 psi | 64% | 3199 fps | 95.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 37,681 psi | 59% | 3028 fps | 97% |
| Alliant Reloder-15 | <<locked>> | 80% | 40,466 psi | 63% | 3100 fps | 96.3% |
| Alliant Reloder-16 | <<locked>> | 90% | 40,248 psi | 63% | 3153 fps | 95.6% |
| Alliant Reloder-17 | 67.2 gr | 82% | 34,969 psi | 55% | 3035 fps | 95.4% |
| Alliant Reloder-23 | <<locked>> | 96% | 34,954 psi | 55% | 3022 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 98% | 41,582 psi | 65% | 3251 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 44,266 psi | 69% | 3179 fps | 96.8% |
| Bofors RP3 | <<locked>> | 80% | 37,420 psi | 59% | 3028 fps | 97% |
| Bofors RP7 | <<locked>> | 94% | 52,968 psi | 83% | 3307 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 48,617 psi | 76% | 3196 fps | 99.7% |
| Hodgdon BL-C2 | <<locked>> | 80% | 45,977 psi | 72% | 3222 fps | 99.4% |
| Hodgdon CFE223 | <<locked>> | 80% | 50,850 psi | 80% | 3389 fps | 98.6% |
| Hodgdon H322 | <<locked>> | 80% | 53,505 psi | 84% | 3327 fps | 100% |
| Hodgdon H380 | <<locked>> | 82% | 41,031 psi | 64% | 3097 fps | 95% |
| Hodgdon H414 | <<locked>> | 94% | 49,980 psi | 78% | 3340 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 45,165 psi | 71% | 3199 fps | 98.5% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 34,664 psi | 54% | 2963 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 41,292 psi | 65% | 3156 fps | 98.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,266 psi | 41% | 1932 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 43,366 psi | 68% | 3143 fps | 98.1% |
| IMR 3031 | <<locked>> | 80% | 44,759 psi | 70% | 3209 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 39,929 psi | 63% | 3045 fps | 96.2% |
| IMR 4166 Enduron | <<locked>> | 86% | 51,619 psi | 81% | 3261 fps | 95.5% |
| IMR 4198 | <<locked>> | 80% | 54,273 psi | 85% | 3251 fps | 100% |
| IMR 4350 | <<locked>> | 98% | 53,403 psi | 84% | 3333 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 92% | 51,445 psi | 81% | 3284 fps | 95.4% |
| IMR 4831 | <<locked>> | 90% | 39,233 psi | 61% | 3084 fps | 95.2% |
| IMR 4895 | <<locked>> | 80% | 41,452 psi | 65% | 3136 fps | 97.2% |
| IMR 8208 XBR | <<locked>> | 80% | 46,833 psi | 73% | 3202 fps | 99.2% |
| Lovex D073.5 | <<locked>> | 80% | 53,461 psi | 84% | 3307 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 44,034 psi | 69% | 3163 fps | 99.7% |
| Lovex S060 | <<locked>> | 80% | 44,701 psi | 70% | 3117 fps | 98% |
| Lovex S062 | <<locked>> | 80% | 39,842 psi | 62% | 3051 fps | 98% |
| Lovex S065 | <<locked>> | 90% | 44,991 psi | 71% | 3156 fps | 95.3% |
| Lovex S070 | <<locked>> | 94% | 48,733 psi | 76% | 3251 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 43,947 psi | 69% | 3136 fps | 98.8% |
| Norma 202 | <<locked>> | 80% | 44,193 psi | 69% | 3150 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 39,842 psi | 62% | 3087 fps | 96.7% |
| Norma URP | <<locked>> | 90% | 40,756 psi | 64% | 3143 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 80% | 39,581 psi | 62% | 3097 fps | 96.4% |
| Ramshot Hunter | <<locked>> | 94% | 45,542 psi | 71% | 3251 fps | 95% |
| Ramshot TAC | <<locked>> | 80% | 46,978 psi | 74% | 3196 fps | 96.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 46,499 psi | 73% | 3222 fps | 98.3% |
| Ramshot X-Terminator | <<locked>> | 80% | 50,647 psi | 79% | 3255 fps | 98.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,556 psi | 42% | 1978 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 52,489 psi | 82% | 3304 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 47,297 psi | 74% | 3205 fps | 95.1% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 42,728 psi | 67% | 3219 fps | 96.8% |
| ReloadSwiss RS 60 | 65.6 gr | 80% | 34,795 psi | 55% | 3051 fps | 97.9% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 40,625 psi | 64% | 3159 fps | 95.2% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 43,598 psi | 68% | 3241 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 80% | 47,790 psi | 75% | 3199 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 41,756 psi | 65% | 3081 fps | 98.4% |
| Rottweil R 903 | <<locked>> | 80% | 35,099 psi | 55% | 2959 fps | 95.9% |
| Rottweil R 907 | <<locked>> | 94% | 52,968 psi | 83% | 3307 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 90% | 44,991 psi | 71% | 3156 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 44,034 psi | 69% | 3163 fps | 99.7% |
| Shooters World Precision | <<locked>> | 80% | 39,842 psi | 62% | 3051 fps | 98% |
| Shooters World SW4350 | <<locked>> | 94% | 48,733 psi | 76% | 3251 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 36,260 psi | 57% | 3015 fps | 95.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 45,368 psi | 71% | 3166 fps | 96.3% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 43,468 psi | 68% | 3146 fps | 97.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 45,063 psi | 71% | 3094 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 37,521 psi | 59% | 2930 fps | 99.7% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 51,140 psi | 80% | 3219 fps | 95.5% |
| Somchem S321 | <<locked>> | 80% | 51,039 psi | 80% | 3294 fps | 99.8% |
| Somchem S335 | <<locked>> | 80% | 44,889 psi | 70% | 3094 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 45,078 psi | 71% | 3166 fps | 98% |
| Somchem S355 | <<locked>> | 80% | 36,042 psi | 56% | 2972 fps | 96% |
| Somchem S365 | <<locked>> | 86% | 31,792 psi | 50% | 2943 fps | 95.8% |
| Vihtavuori N130 | <<locked>> | 80% | 50,850 psi | 80% | 3176 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 45,368 psi | 71% | 3091 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 41,060 psi | 64% | 3068 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 41,771 psi | 65% | 3071 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 34,171 psi | 54% | 2897 fps | 96.9% |
| Vihtavuori N160 | <<locked>> | 88% | 39,871 psi | 62% | 3081 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 47,036 psi | 74% | 3199 fps | 99.3% |
| Vihtavuori N540 | <<locked>> | 80% | 40,451 psi | 63% | 3051 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 90% | 42,148 psi | 66% | 3146 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 96% | 37,811 psi | 59% | 3110 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 34,896 psi | 55% | 2923 fps | 95.8% |
| Winchester 748 | <<locked>> | 80% | 46,702 psi | 73% | 3245 fps | 99.7% |
| Winchester 760 | <<locked>> | 94% | 49,980 psi | 78% | 3340 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 98% | 33,373 psi | 52% | 3045 fps | 95% |
| Winchester StaBALL Match | <<locked>> | 80% | 42,873 psi | 67% | 3146 fps | 98.1% |
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 97 powders for 7.62 UKM loaded with the .308 | 120gr | SAKO Powerhead Blade. ReloadSwiss RS 60 delivers the highest muzzle velocity at 3,537 fps; across all powders the maximum-charge window runs from 2,152 fps to 3,537 fps. Alliant Reloder-16 gives the best case fill at 100 %, and 97 of the 97 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 120.0 gr projectile in 0.308" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-16, Alliant Reloder-23, Alliant Reloder-26 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 60, Alliant Reloder-17 rank at the top here: for 7.62 UKM with the .308 | 120gr | SAKO Powerhead Blade 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.