Load Specifications
Load data in caliber 6.5 x 65 R with .264 | 155gr | Lapua Mega bullet and 59 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Winchester StaBALL HD.
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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 90% | 48,051 psi | 87% | 2543 fps | 99.9% |
| Accurate 4350 | <<locked>> | 82% | 49,037 psi | 89% | 2566 fps | 100% |
| Accurate MAGPRO | <<locked>> | 90% | 49,632 psi | 90% | 2671 fps | 97.2% |
| ADI AR 2209 | <<locked>> | 86% | 46,731 psi | 85% | 2566 fps | 98.5% |
| ADI AR 2213 | <<locked>> | 90% | 47,674 psi | 87% | 2618 fps | 97.8% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 48,907 psi | 89% | 2635 fps | 98.3% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 43,555 psi | 79% | 2602 fps | 99.6% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 47,166 psi | 86% | 2566 fps | 98.6% |
| Alliant Reloder-16 | <<locked>> | 82% | 47,108 psi | 85% | 2572 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 49,777 psi | 90% | 2612 fps | 99% |
| Alliant Reloder-22 | <<locked>> | 90% | 47,776 psi | 87% | 2618 fps | 98.9% |
| Alliant Reloder-23 | <<locked>> | 92% | 49,081 psi | 89% | 2605 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 96% | 48,211 psi | 87% | 2654 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 88% | 48,341 psi | 88% | 2671 fps | 100% |
| Bofors RP15 | <<locked>> | 92% | 47,108 psi | 85% | 2605 fps | 98.7% |
| Bofors RP30 | <<locked>> | 98% | 47,674 psi | 87% | 2648 fps | 98.3% |
| Bofors RP5 | <<locked>> | 90% | 47,776 psi | 87% | 2618 fps | 98.9% |
| Hodgdon H1000 | <<locked>> | 96% | 46,978 psi | 85% | 2605 fps | 98.4% |
| Hodgdon H4831 | <<locked>> | 88% | 47,674 psi | 87% | 2562 fps | 97.1% |
| Hodgdon H4831 SC | <<locked>> | 88% | 46,833 psi | 85% | 2546 fps | 96.9% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 47,253 psi | 86% | 2507 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 96% | 47,239 psi | 86% | 2710 fps | 99.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,173 psi | 67% | 1644 fps | 100% |
| IMR 4350 | <<locked>> | 82% | 46,949 psi | 85% | 2507 fps | 99.2% |
| IMR 4831 | <<locked>> | 84% | 49,632 psi | 90% | 2562 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 88% | 49,197 psi | 89% | 2556 fps | 97.6% |
| IMR 7828 SSC | <<locked>> | 92% | 49,095 psi | 89% | 2651 fps | 98.1% |
| Lovex S070 | <<locked>> | 82% | 48,950 psi | 89% | 2539 fps | 99.7% |
| Lovex S071 | <<locked>> | 96% | 49,211 psi | 89% | 2562 fps | 100% |
| Norma 204 | <<locked>> | 82% | 47,036 psi | 85% | 2546 fps | 98.5% |
| Norma 217ᴾ | <<locked>> | 100% | 39,044 psi | 71% | 2530 fps | 98.2% |
| Norma MRP | <<locked>> | 88% | 47,340 psi | 86% | 2635 fps | 99.6% |
| Norma URP | <<locked>> | 82% | 48,225 psi | 88% | 2556 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 49,168 psi | 89% | 2667 fps | 98.5% |
| Ramshot Hunter | <<locked>> | 82% | 46,789 psi | 85% | 2552 fps | 99.8% |
| Ramshot Magnum | <<locked>> | 94% | 47,253 psi | 86% | 2605 fps | 99.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,116 psi | 69% | 1686 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 49,008 psi | 89% | 2589 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 82% | 47,181 psi | 86% | 2608 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 46,992 psi | 85% | 2700 fps | 99.9% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 49,298 psi | 89% | 2713 fps | 97.4% |
| Rottweil R 904 | <<locked>> | 86% | 48,153 psi | 87% | 2543 fps | 97.9% |
| Rottweil R 905 | <<locked>> | 88% | 49,095 psi | 89% | 2598 fps | 99% |
| Shooters World SW4350 | <<locked>> | 82% | 48,950 psi | 89% | 2539 fps | 99.7% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 49,458 psi | 90% | 2493 fps | 99.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 48,689 psi | 88% | 2595 fps | 99% |
| Somchem S361 | <<locked>> | 86% | 48,936 psi | 89% | 2530 fps | 97.3% |
| Somchem S365 | <<locked>> | 84% | 48,182 psi | 87% | 2559 fps | 100% |
| Somchem S385 | <<locked>> | 88% | 49,603 psi | 90% | 2575 fps | 99.5% |
| Vihtavuori N160 | <<locked>> | 82% | 49,487 psi | 90% | 2546 fps | 100% |
| Vihtavuori N165 | <<locked>> | 92% | 49,168 psi | 89% | 2562 fps | 99.3% |
| Vihtavuori N550 | <<locked>> | 82% | 48,805 psi | 89% | 2549 fps | 100% |
| Vihtavuori N555 | <<locked>> | 88% | 47,950 psi | 87% | 2579 fps | 100% |
| Vihtavuori N560 | <<locked>> | 88% | 47,369 psi | 86% | 2628 fps | 97.3% |
| Vihtavuori N565 | <<locked>> | 94% | 47,195 psi | 86% | 2615 fps | 97.5% |
| Vihtavuori N568 | <<locked>> | 98% | 46,992 psi | 85% | 2657 fps | 96.2% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 48,704 psi | 88% | 2510 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 94% | 49,400 psi | 90% | 2723 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 90% | 49,110 psi | 89% | 2569 fps | 98.9% |
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 3100 | <<locked>> | 80% | 34,229 psi | 62% | 2283 fps | 97.8% |
| Accurate 4350 | <<locked>> | 80% | 45,832 psi | 83% | 2513 fps | 100% |
| Accurate MAGPRO | <<locked>> | 86% | 43,004 psi | 78% | 2549 fps | 95.4% |
| ADI AR 2209 | <<locked>> | 80% | 38,319 psi | 70% | 2402 fps | 96.5% |
| ADI AR 2213 | <<locked>> | 84% | 39,160 psi | 71% | 2448 fps | 95.3% |
| ADI AR 2217 | <<locked>> | 94% | 40,059 psi | 73% | 2467 fps | 95.9% |
| ADI AR 2225 | <<locked>> | 90% | 31,575 psi | 57% | 2320 fps | 95.7% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 38,595 psi | 70% | 2402 fps | 96.6% |
| Alliant Reloder-16 | <<locked>> | 80% | 44,048 psi | 80% | 2523 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 38,247 psi | 69% | 2395 fps | 96.5% |
| Alliant Reloder-22 | <<locked>> | 80% | 34,113 psi | 62% | 2343 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 32,953 psi | 60% | 2313 fps | 99.8% |
| Alliant Reloder-25 | <<locked>> | 80% | 28,689 psi | 52% | 2228 fps | 96.3% |
| Alliant Reloder-26 | <<locked>> | 80% | 35,998 psi | 65% | 2444 fps | 99.4% |
| Bofors RP15 | <<locked>> | 84% | 36,230 psi | 66% | 2388 fps | 95.8% |
| Bofors RP30 | <<locked>> | 90% | 36,448 psi | 66% | 2428 fps | 95.1% |
| Bofors RP5 | <<locked>> | 80% | 34,113 psi | 62% | 2343 fps | 95.1% |
| Hodgdon H1000 | <<locked>> | 90% | 38,276 psi | 69% | 2431 fps | 95.9% |
| Hodgdon H4831 | <<locked>> | 84% | 41,785 psi | 76% | 2454 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 84% | 41,060 psi | 75% | 2438 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 41,582 psi | 75% | 2415 fps | 100% |
| Hodgdon Retumbo | 47.7 gr | 86% | 33,982 psi | 62% | 2411 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,905 psi | 51% | 1467 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 44,077 psi | 80% | 2457 fps | 98.8% |
| IMR 4831 | <<locked>> | 80% | 43,830 psi | 80% | 2467 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 40,785 psi | 74% | 2398 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 86% | 40,248 psi | 73% | 2484 fps | 95.8% |
| Lovex S070 | <<locked>> | 80% | 45,977 psi | 83% | 2490 fps | 99.5% |
| Lovex S071 | <<locked>> | 80% | 29,530 psi | 54% | 2172 fps | 96.1% |
| Norma 204 | <<locked>> | 80% | 44,077 psi | 80% | 2493 fps | 97.9% |
| Norma 217 | <<locked>> | 94% | 32,198 psi | 58% | 2365 fps | 95.5% |
| Norma MRP | <<locked>> | 80% | 35,737 psi | 65% | 2408 fps | 97.2% |
| Norma URP | <<locked>> | 80% | 45,179 psi | 82% | 2503 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 37,217 psi | 68% | 2431 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 80% | 43,903 psi | 80% | 2503 fps | 99.6% |
| Ramshot Magnum | <<locked>> | 84% | 33,011 psi | 60% | 2316 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,572 psi | 52% | 1506 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 45,934 psi | 83% | 2539 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 43,918 psi | 80% | 2552 fps | 100% |
| ReloadSwiss RS 76 | 49.9 gr | 84% | 30,879 psi | 56% | 2329 fps | 95.2% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 42,511 psi | 77% | 2589 fps | 95.5% |
| Rottweil R 904 | <<locked>> | 80% | 39,653 psi | 72% | 2382 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 80% | 37,637 psi | 68% | 2385 fps | 96.5% |
| Shooters World SW4350 | <<locked>> | 80% | 45,977 psi | 83% | 2490 fps | 99.5% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,398 psi | 84% | 2444 fps | 99.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 37,347 psi | 68% | 2379 fps | 96.4% |
| Somchem S361 | <<locked>> | 80% | 40,248 psi | 73% | 2372 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 42,061 psi | 76% | 2464 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 38,189 psi | 69% | 2369 fps | 97.5% |
| Vihtavuori N160 | <<locked>> | 80% | 46,354 psi | 84% | 2497 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 33,040 psi | 60% | 2251 fps | 95.3% |
| Vihtavuori N550 | <<locked>> | 80% | 45,803 psi | 83% | 2503 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 37,043 psi | 67% | 2382 fps | 99.8% |
| Vihtavuori N560 | <<locked>> | 84% | 41,307 psi | 75% | 2513 fps | 95.6% |
| Vihtavuori N565 | <<locked>> | 88% | 38,566 psi | 70% | 2448 fps | 95% |
| Vihtavuori N568 | <<locked>> | 96% | 44,005 psi | 80% | 2602 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 45,426 psi | 82% | 2461 fps | 100% |
| Winchester StaBALL HD | 45.6 gr | 80% | 29,240 psi | 53% | 2333 fps | 99.9% |
| Winchester Supreme 780 | <<locked>> | 80% | 34,969 psi | 63% | 2303 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 59 powders for 6.5 x 65 R loaded with the .264 | 155gr | Lapua Mega. Winchester StaBALL HD delivers the highest muzzle velocity at 2,723 fps; across all powders the maximum-charge window runs from 1,644 fps to 2,723 fps. ADI AR 2217 gives the best case fill at 100 %, and 59 of the 59 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (380 MPa), the top charges use 67–90 %, leaving at least 10 % headroom. The 155.0 gr projectile in 0.264" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Hodgdon TrailBoss 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 Retumbo, ReloadSwiss RS 76, Winchester StaBALL HD rank at the top here: for 6.5 x 65 R with the .264 | 155gr | Lapua Mega 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.