Load Specifications
Load data in caliber 7 x 44 Penna with .277 | 96gr | RWS Evolution Green bullet and 22 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Shooters World Buffalo Rifle, Lovex D060 and Accurate 5744.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680ᴾ | <<locked>> | 100% | 48,805 psi | 76% | 2549 fps | 96.9% |
| Accurate 5744 | <<locked>> | 90% | 57,493 psi | 90% | 2697 fps | 99% |
| Accurate No. 11 FS | <<locked>> | 92% | 55,216 psi | 87% | 2631 fps | 100% |
| ADI APS 450 | <<locked>> | 86% | 57,319 psi | 90% | 1972 fps | 100% |
| ADI AR 2205 | <<locked>> | 96% | 57,609 psi | 90% | 2572 fps | 100% |
| ADI AR 2207ᴾ | <<locked>> | 100% | 38,740 psi | 61% | 2503 fps | 98.8% |
| Alliant Reloder-7ᴾ | <<locked>> | 100% | 41,727 psi | 65% | 2497 fps | 96.3% |
| Hodgdon LilGun | <<locked>> | 88% | 56,492 psi | 89% | 2674 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 27,514 psi | 43% | 1516 fps | 100% |
| IMR 4227ᴾ | <<locked>> | 100% | 51,488 psi | 81% | 2592 fps | 99.4% |
| Lovex D060 | <<locked>> | 96% | 56,695 psi | 89% | 2687 fps | 99% |
| Lovex D063 | <<locked>> | 90% | 53,751 psi | 84% | 2628 fps | 98.7% |
| Lovex S040 | <<locked>> | 88% | 55,593 psi | 87% | 2536 fps | 100% |
| Lovex S053ᴾ | <<locked>> | 100% | 48,225 psi | 76% | 2552 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 26,513 psi | 42% | 1549 fps | 100% |
| ReloadSwiss RS 36ᴾ | <<locked>> | 100% | 49,313 psi | 77% | 2612 fps | 99.1% |
| Shooters World Blackout | <<locked>> | 90% | 53,751 psi | 84% | 2628 fps | 98.7% |
| Shooters World Buffalo Rifle | <<locked>> | 96% | 56,695 psi | 89% | 2687 fps | 99% |
| Shooters World SOCOM | <<locked>> | 94% | 54,911 psi | 86% | 2625 fps | 99.1% |
| SNPE Vectan BA6 1/2ᴾ | <<locked>> | 100% | 44,469 psi | 70% | 2372 fps | 100% |
| Vihtavuori N110ᴾ | <<locked>> | 100% | 57,145 psi | 90% | 2595 fps | 100% |
| Vihtavuori N120ᴾ | <<locked>> | 100% | 39,247 psi | 62% | 2474 fps | 99.5% |
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>> | 96% | 42,467 psi | 67% | 2454 fps | 95.5% |
| Accurate 5744 | 17 gr | 80% | 41,698 psi | 65% | 2451 fps | 96.5% |
| Accurate No. 11 FS | <<locked>> | 80% | 37,376 psi | 59% | 2362 fps | 98.5% |
| ADI APS 450 | <<locked>> | 80% | 51,213 psi | 80% | 1896 fps | 100% |
| ADI AR 2205 | <<locked>> | 80% | 35,186 psi | 55% | 2244 fps | 99.3% |
| ADI AR 2207 | <<locked>> | 88% | 26,818 psi | 42% | 2234 fps | 95.1% |
| Alliant Reloder-7 | <<locked>> | 96% | 36,985 psi | 58% | 2411 fps | 95% |
| Hodgdon LilGun | <<locked>> | 80% | 42,685 psi | 67% | 2500 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 19,595 psi | 31% | 1345 fps | 100% |
| IMR 4227 | <<locked>> | 84% | 31,850 psi | 50% | 2251 fps | 95.5% |
| Lovex D060 | 16.3 gr | 82% | 37,608 psi | 59% | 2369 fps | 95.3% |
| Lovex D063 | <<locked>> | 80% | 38,537 psi | 60% | 2385 fps | 95.8% |
| Lovex S040 | <<locked>> | 80% | 43,976 psi | 69% | 2385 fps | 100% |
| Lovex S053 | <<locked>> | 80% | 27,006 psi | 42% | 2152 fps | 97.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 19,450 psi | 30% | 1388 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 86% | 31,850 psi | 50% | 2300 fps | 95.4% |
| Shooters World Blackout | <<locked>> | 80% | 38,537 psi | 60% | 2385 fps | 95.8% |
| Shooters World Buffalo Rifle | 16.3 gr | 82% | 37,608 psi | 59% | 2369 fps | 95.3% |
| Shooters World SOCOM | <<locked>> | 80% | 34,447 psi | 54% | 2293 fps | 95.2% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 25,860 psi | 41% | 2047 fps | 100% |
| Vihtavuori N110 | <<locked>> | 80% | 31,995 psi | 50% | 2231 fps | 100% |
| Vihtavuori N120 | <<locked>> | 84% | 24,279 psi | 38% | 2129 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 22 powders for 7 x 44 Penna loaded with the .277 | 96gr | RWS Evolution Green. Accurate 5744 delivers the highest muzzle velocity at 2,697 fps; across all powders the maximum-charge window runs from 1,516 fps to 2,697 fps. Accurate 1680 gives the best case fill at 100 %, and 22 of the 22 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 42–90 %, leaving at least 10 % headroom. The 96.0 gr projectile in 0.277" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. Accurate 1680, ADI AR 2207, Alliant Reloder-7 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. Shooters World Buffalo Rifle, Lovex D060, Accurate 5744 rank at the top here: for 7 x 44 Penna with the .277 | 96gr | RWS Evolution Green 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.