Load Specifications
Load data in caliber .30 R Blaser with .308 | 165gr | AERO SB,- smax:18.15 bullet and 95 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are 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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 84% | 52,895 psi | 90% | 2664 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 51,024 psi | 87% | 2680 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 51,576 psi | 88% | 2730 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 52,243 psi | 89% | 2677 fps | 96% |
| Accurate 4064 | <<locked>> | 90% | 51,198 psi | 87% | 2723 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 50,952 psi | 87% | 2792 fps | 99.1% |
| ADI AR 2206H | <<locked>> | 86% | 52,170 psi | 89% | 2756 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 90% | 50,328 psi | 86% | 2710 fps | 99.2% |
| ADI Benchmark 8208 | <<locked>> | 84% | 51,329 psi | 87% | 2710 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 51,895 psi | 88% | 2694 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 51,764 psi | 88% | 2864 fps | 99.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 49,937 psi | 85% | 2726 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 88% | 50,270 psi | 86% | 2743 fps | 99.4% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 52,736 psi | 90% | 2851 fps | 99.5% |
| Alliant Reloder-17 | <<locked>> | 94% | 50,212 psi | 85% | 2831 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 37,376 psi | 64% | 2585 fps | 97.9% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 41,655 psi | 71% | 2730 fps | 97% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 52,098 psi | 89% | 2766 fps | 99.2% |
| Bofors RP3 | <<locked>> | 90% | 49,864 psi | 85% | 2736 fps | 99.9% |
| Bofors RP7 | <<locked>> | 94% | 50,575 psi | 86% | 2703 fps | 96% |
| Hodgdon Benchmark | <<locked>> | 82% | 50,096 psi | 85% | 2651 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 50,328 psi | 86% | 2733 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 52,301 psi | 89% | 2828 fps | 99.6% |
| Hodgdon H322 | <<locked>> | 82% | 51,358 psi | 87% | 2700 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 51,097 psi | 87% | 2746 fps | 98.7% |
| Hodgdon H414 | <<locked>> | 94% | 52,141 psi | 89% | 2812 fps | 97.1% |
| Hodgdon H4350 | <<locked>> | 98% | 53,113 psi | 90% | 2779 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 86% | 52,663 psi | 90% | 2766 fps | 99.9% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 48,820 psi | 83% | 2730 fps | 99.7% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 52,025 psi | 89% | 2795 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 51,503 psi | 88% | 2822 fps | 96.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,998 psi | 60% | 1709 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 53,084 psi | 90% | 2756 fps | 99.9% |
| IMR 3031 | <<locked>> | 88% | 51,111 psi | 87% | 2733 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 52,127 psi | 89% | 2730 fps | 99.5% |
| IMR 4166 Enduron | <<locked>> | 92% | 51,721 psi | 88% | 2697 fps | 96.8% |
| IMR 4350 | <<locked>> | 98% | 50,995 psi | 87% | 2730 fps | 96.1% |
| IMR 4451 Enduron | <<locked>> | 94% | 52,721 psi | 90% | 2740 fps | 96.9% |
| IMR 4831ᴾ | <<locked>> | 100% | 45,759 psi | 78% | 2690 fps | 98.3% |
| IMR 4895 | <<locked>> | 88% | 51,561 psi | 88% | 2772 fps | 99.7% |
| IMR 8208 XBR | <<locked>> | 84% | 51,329 psi | 87% | 2710 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 51,576 psi | 88% | 2730 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 52,069 psi | 89% | 2690 fps | 99.7% |
| Lovex S062 | <<locked>> | 90% | 52,518 psi | 89% | 2736 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 51,692 psi | 88% | 2730 fps | 98.1% |
| Lovex S070 | <<locked>> | 98% | 52,431 psi | 89% | 2759 fps | 97.2% |
| Norma 201 | <<locked>> | 86% | 50,894 psi | 87% | 2703 fps | 100% |
| Norma 202 | <<locked>> | 86% | 51,547 psi | 88% | 2710 fps | 100% |
| Norma 203B | <<locked>> | 90% | 52,794 psi | 90% | 2782 fps | 99.8% |
| Norma URP | <<locked>> | 98% | 50,343 psi | 86% | 2782 fps | 98.9% |
| Ramshot Big Game | <<locked>> | 88% | 49,937 psi | 85% | 2753 fps | 99.5% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 52,968 psi | 90% | 2831 fps | 98.1% |
| Ramshot TAC | <<locked>> | 84% | 51,648 psi | 88% | 2720 fps | 98.2% |
| Ramshot Wild Boar | <<locked>> | 84% | 51,140 psi | 87% | 2743 fps | 99.6% |
| Ramshot X-Terminator | <<locked>> | 82% | 52,359 psi | 89% | 2710 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,418 psi | 60% | 1749 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 51,547 psi | 88% | 2730 fps | 97.4% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 50,343 psi | 86% | 2802 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 50,212 psi | 85% | 2841 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 50,778 psi | 86% | 2812 fps | 98.9% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 50,778 psi | 86% | 2835 fps | 98.6% |
| Rottweil R 901 | <<locked>> | 84% | 51,779 psi | 88% | 2690 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 51,271 psi | 87% | 2700 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 50,038 psi | 85% | 2730 fps | 99.8% |
| Rottweil R 907 | <<locked>> | 94% | 50,575 psi | 86% | 2703 fps | 96% |
| Shooters World Long Rifle | <<locked>> | 96% | 51,692 psi | 88% | 2730 fps | 98.1% |
| Shooters World Match Rifle | <<locked>> | 86% | 51,576 psi | 88% | 2730 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 52,518 psi | 89% | 2736 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 52,431 psi | 89% | 2759 fps | 97.2% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 51,967 psi | 88% | 2789 fps | 99.7% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 49,734 psi | 85% | 2694 fps | 98.3% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 50,705 psi | 86% | 2726 fps | 99.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 52,620 psi | 90% | 2651 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 52,721 psi | 90% | 2648 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 52,098 psi | 89% | 2684 fps | 96.9% |
| Somchem S321 | <<locked>> | 82% | 52,388 psi | 89% | 2740 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 51,924 psi | 88% | 2651 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 53,098 psi | 90% | 2746 fps | 99.8% |
| Somchem S355 | <<locked>> | 92% | 50,357 psi | 86% | 2726 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 48,327 psi | 82% | 2785 fps | 100% |
| Unknown powder | <<locked>> | 96% | 51,663 psi | 88% | 2795 fps | 98.6% |
| Vihtavuori N130 | <<locked>> | 82% | 51,401 psi | 88% | 2608 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 52,199 psi | 89% | 2635 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 51,184 psi | 87% | 2677 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 51,271 psi | 87% | 2680 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 51,692 psi | 88% | 2713 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 52,228 psi | 89% | 2766 fps | 99.1% |
| Vihtavuori N530 | <<locked>> | 82% | 50,937 psi | 87% | 2717 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 50,952 psi | 87% | 2703 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 52,228 psi | 89% | 2808 fps | 99% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 40,553 psi | 69% | 2657 fps | 97.8% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 50,082 psi | 85% | 2713 fps | 99.9% |
| Winchester 748 | <<locked>> | 82% | 52,112 psi | 89% | 2762 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 52,141 psi | 89% | 2812 fps | 97.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 33,359 psi | 57% | 2566 fps | 97.2% |
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% | 46,630 psi | 79% | 2575 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 38,957 psi | 66% | 2493 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 44,614 psi | 76% | 2625 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 48,762 psi | 83% | 2621 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 36,840 psi | 63% | 2484 fps | 99.9% |
| Accurate 4350 | <<locked>> | 88% | 35,491 psi | 60% | 2507 fps | 95.5% |
| ADI AR 2206H | <<locked>> | 80% | 43,004 psi | 73% | 2598 fps | 98.6% |
| ADI AR 2208 | <<locked>> | 80% | 36,579 psi | 62% | 2451 fps | 96.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 45,150 psi | 77% | 2612 fps | 99.6% |
| Alliant AR-Comp | <<locked>> | 80% | 45,107 psi | 77% | 2598 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 39,160 psi | 67% | 2621 fps | 97% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 35,955 psi | 61% | 2470 fps | 97.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 38,740 psi | 66% | 2530 fps | 97.2% |
| Alliant Reloder-16 | <<locked>> | 88% | 36,129 psi | 62% | 2526 fps | 95.7% |
| Alliant Reloder-17 | 50.7 gr | 80% | 31,053 psi | 53% | 2425 fps | 95.4% |
| Alliant Reloder-23 | <<locked>> | 94% | 30,806 psi | 52% | 2418 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 98% | 38,769 psi | 66% | 2664 fps | 95.9% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 42,351 psi | 72% | 2598 fps | 97.6% |
| Bofors RP3 | <<locked>> | 80% | 35,331 psi | 60% | 2467 fps | 97.8% |
| Bofors RP7 | <<locked>> | 92% | 47,413 psi | 81% | 2651 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 47,036 psi | 80% | 2605 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 80% | 43,961 psi | 75% | 2628 fps | 99.8% |
| Hodgdon CFE223 | <<locked>> | 80% | 48,689 psi | 83% | 2769 fps | 99.2% |
| Hodgdon H322 | <<locked>> | 80% | 48,022 psi | 82% | 2651 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 36,506 psi | 62% | 2474 fps | 95.1% |
| Hodgdon H414 | <<locked>> | 90% | 45,455 psi | 77% | 2700 fps | 95.5% |
| Hodgdon H4350 | <<locked>> | 96% | 49,806 psi | 85% | 2726 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 43,395 psi | 74% | 2608 fps | 99.1% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 30,777 psi | 52% | 2369 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 37,144 psi | 63% | 2530 fps | 98.3% |
| Hodgdon Superformance | <<locked>> | 94% | 47,703 psi | 81% | 2753 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,107 psi | 44% | 1529 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,580 psi | 66% | 2500 fps | 98.1% |
| IMR 3031 | <<locked>> | 80% | 39,378 psi | 67% | 2546 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,708 psi | 61% | 2428 fps | 96.4% |
| IMR 4166 Enduron | <<locked>> | 88% | 45,818 psi | 78% | 2595 fps | 95.4% |
| IMR 4350 | <<locked>> | 96% | 47,834 psi | 81% | 2677 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 90% | 46,499 psi | 79% | 2635 fps | 95.5% |
| IMR 4831 | <<locked>> | 92% | 35,331 psi | 60% | 2487 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 39,668 psi | 68% | 2562 fps | 98% |
| IMR 8208 XBR | <<locked>> | 80% | 45,150 psi | 77% | 2612 fps | 99.6% |
| Lovex D073.6 | <<locked>> | 80% | 41,945 psi | 71% | 2579 fps | 99.9% |
| Lovex S060 | <<locked>> | 80% | 43,279 psi | 74% | 2543 fps | 98.7% |
| Lovex S062 | <<locked>> | 80% | 38,116 psi | 65% | 2487 fps | 98.7% |
| Lovex S065 | <<locked>> | 88% | 40,277 psi | 69% | 2526 fps | 95.4% |
| Lovex S070 | <<locked>> | 92% | 43,439 psi | 74% | 2605 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 42,090 psi | 72% | 2556 fps | 99.3% |
| Norma 202 | <<locked>> | 80% | 42,322 psi | 72% | 2562 fps | 100% |
| Norma 203B | <<locked>> | 80% | 38,087 psi | 65% | 2520 fps | 97.6% |
| Norma URP | <<locked>> | 88% | 36,143 psi | 62% | 2516 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 80% | 37,797 psi | 64% | 2533 fps | 97.3% |
| Ramshot Hunter | <<locked>> | 94% | 43,207 psi | 74% | 2661 fps | 95.8% |
| Ramshot TAC | <<locked>> | 80% | 45,165 psi | 77% | 2612 fps | 96.9% |
| Ramshot Wild Boar | <<locked>> | 80% | 44,556 psi | 76% | 2631 fps | 98.9% |
| Ramshot X-Terminator | <<locked>> | 80% | 48,965 psi | 83% | 2661 fps | 99.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,324 psi | 45% | 1565 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 42,395 psi | 72% | 2569 fps | 95.2% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 40,683 psi | 69% | 2631 fps | 97.7% |
| ReloadSwiss RS 60 | 50.7 gr | 80% | 33,156 psi | 56% | 2497 fps | 98.7% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 35,578 psi | 61% | 2526 fps | 95% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 38,522 psi | 66% | 2592 fps | 95.1% |
| Rottweil R 901 | <<locked>> | 80% | 45,759 psi | 78% | 2595 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 39,958 psi | 68% | 2507 fps | 99% |
| Rottweil R 903 | <<locked>> | 80% | 33,286 psi | 57% | 2415 fps | 96.9% |
| Rottweil R 907 | <<locked>> | 92% | 47,413 psi | 81% | 2651 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 88% | 40,277 psi | 69% | 2526 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 41,945 psi | 71% | 2579 fps | 99.9% |
| Shooters World Precision | <<locked>> | 80% | 38,116 psi | 65% | 2487 fps | 98.7% |
| Shooters World SW4350 | <<locked>> | 92% | 43,439 psi | 74% | 2605 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 34,490 psi | 59% | 2464 fps | 96.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 43,163 psi | 73% | 2582 fps | 97% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 41,655 psi | 71% | 2569 fps | 98.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 43,584 psi | 74% | 2516 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,085 psi | 61% | 2382 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 45,556 psi | 78% | 2579 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 48,921 psi | 83% | 2687 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 43,178 psi | 74% | 2516 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 43,120 psi | 73% | 2585 fps | 98.6% |
| Somchem S355 | <<locked>> | 80% | 34,301 psi | 58% | 2425 fps | 96.9% |
| Somchem S365 | <<locked>> | 84% | 28,181 psi | 48% | 2356 fps | 95.9% |
| Unknown powder | <<locked>> | 88% | 39,378 psi | 67% | 2572 fps | 95.8% |
| Vihtavuori N130 | <<locked>> | 80% | 48,428 psi | 82% | 2569 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 40,988 psi | 70% | 2467 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 39,378 psi | 67% | 2493 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 39,653 psi | 68% | 2497 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 29,124 psi | 50% | 2283 fps | 96.5% |
| Vihtavuori N160 | <<locked>> | 86% | 36,956 psi | 63% | 2497 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 80% | 47,645 psi | 81% | 2664 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 39,146 psi | 67% | 2507 fps | 99.9% |
| Vihtavuori N550 | <<locked>> | 86% | 37,434 psi | 64% | 2539 fps | 95.8% |
| Vihtavuori N555 | <<locked>> | 94% | 33,141 psi | 56% | 2493 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 31,038 psi | 53% | 2336 fps | 95.7% |
| Winchester 748 | <<locked>> | 80% | 48,501 psi | 83% | 2710 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 45,455 psi | 77% | 2700 fps | 95.5% |
| Winchester StaBALL HD | <<locked>> | 98% | 31,140 psi | 53% | 2497 fps | 95.9% |
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 95 powders for .30 R Blaser loaded with the .308 | 165gr | AERO SB,- smax:18.15. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,864 fps; across all powders the maximum-charge window runs from 1,709 fps to 2,864 fps. Alliant Reloder-16 gives the best case fill at 100 %, and 95 of the 95 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 165.0 gr projectile in 0.308" calls for a 1:11.0 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. ReloadSwiss RS 60, Alliant Reloder-17 rank at the top here: for .30 R Blaser with the .308 | 165gr | AERO SB,- smax:18.15 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.