Load Specifications
Load data in caliber 7 x 44 Penna with .277 | 112gr | Lehigh Defense Controlled Chaos bullet and 32 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 36, Shooters World Buffalo Rifle and Lovex D060.
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 1680 | <<locked>> | 98% | 57,667 psi | 90% | 2530 fps | 99.8% |
| Accurate 2015ᴾ | <<locked>> | 100% | 35,824 psi | 56% | 2303 fps | 95.8% |
| Accurate 5744 | <<locked>> | 84% | 57,348 psi | 90% | 2552 fps | 100% |
| Accurate LT-30ᴾ | <<locked>> | 100% | 50,517 psi | 79% | 2428 fps | 97.3% |
| Accurate No. 11 FS | <<locked>> | 86% | 56,913 psi | 89% | 2493 fps | 100% |
| ADI APS 450 | <<locked>> | 84% | 57,363 psi | 90% | 1867 fps | 100% |
| ADI AR 2205 | <<locked>> | 90% | 57,145 psi | 90% | 2415 fps | 100% |
| ADI AR 2207ᴾ | <<locked>> | 100% | 51,082 psi | 80% | 2530 fps | 100% |
| ADI AR 2219ᴾ | <<locked>> | 100% | 46,833 psi | 73% | 2500 fps | 96.3% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 33,649 psi | 53% | 2313 fps | 97.4% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 42,032 psi | 66% | 2431 fps | 98.5% |
| Alliant Reloder-7ᴾ | <<locked>> | 100% | 53,708 psi | 84% | 2530 fps | 99.8% |
| Baschieri & Pellagri 106ᴾ | <<locked>> | 100% | 47,964 psi | 75% | 2421 fps | 97.1% |
| Hodgdon H4198ᴾ | <<locked>> | 100% | 56,014 psi | 88% | 2513 fps | 97.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 29,820 psi | 47% | 1453 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 45,411 psi | 71% | 2425 fps | 99.4% |
| IMR 4227 | <<locked>> | 96% | 56,797 psi | 89% | 2510 fps | 100% |
| Lovex D060 | <<locked>> | 90% | 57,348 psi | 90% | 2552 fps | 100% |
| Lovex D063 | <<locked>> | 84% | 54,070 psi | 85% | 2490 fps | 99.9% |
| Lovex S040 | <<locked>> | 82% | 55,593 psi | 87% | 2369 fps | 100% |
| Lovex S053 | <<locked>> | 98% | 57,145 psi | 90% | 2497 fps | 100% |
| Norma 200ᴾ | <<locked>> | 100% | 47,747 psi | 75% | 2503 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 29,631 psi | 46% | 1493 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 96% | 55,767 psi | 87% | 2543 fps | 100% |
| Shooters World Blackout | <<locked>> | 84% | 54,070 psi | 85% | 2490 fps | 99.9% |
| Shooters World Buffalo Rifle | <<locked>> | 90% | 57,348 psi | 90% | 2552 fps | 100% |
| Shooters World SOCOM | <<locked>> | 88% | 55,434 psi | 87% | 2490 fps | 100% |
| SNPE Vectan BA6 1/2ᴾ | <<locked>> | 100% | 54,360 psi | 85% | 2323 fps | 100% |
| SNPE Vectan SP 3ᴾ | <<locked>> | 100% | 43,511 psi | 68% | 2421 fps | 96.7% |
| Vihtavuori N110 | <<locked>> | 92% | 57,246 psi | 90% | 2418 fps | 100% |
| Vihtavuori N120ᴾ | <<locked>> | 100% | 51,314 psi | 80% | 2487 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 40,741 psi | 64% | 2343 fps | 97.9% |
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% | 32,300 psi | 51% | 2139 fps | 95.6% |
| Accurate 2015 | <<locked>> | 98% | 33,446 psi | 52% | 2257 fps | 95% |
| Accurate 5744 | <<locked>> | 80% | 50,198 psi | 79% | 2454 fps | 99.7% |
| Accurate LT-30 | <<locked>> | 94% | 42,409 psi | 66% | 2306 fps | 95.6% |
| Accurate No. 11 FS | <<locked>> | 80% | 47,094 psi | 74% | 2372 fps | 100% |
| ADI APS 450 | <<locked>> | 80% | 53,330 psi | 84% | 1818 fps | 100% |
| ADI AR 2205 | <<locked>> | 80% | 42,467 psi | 67% | 2231 fps | 100% |
| ADI AR 2207 | <<locked>> | 80% | 27,499 psi | 43% | 2116 fps | 98.1% |
| ADI AR 2219 | <<locked>> | 98% | 44,309 psi | 69% | 2457 fps | 95.7% |
| Alliant AR-Comp | <<locked>> | 94% | 28,355 psi | 44% | 2178 fps | 95.1% |
| Alliant Reloder-10x | <<locked>> | 90% | 30,937 psi | 48% | 2218 fps | 95.6% |
| Alliant Reloder-7 | <<locked>> | 80% | 29,153 psi | 46% | 2110 fps | 95.3% |
| Baschieri & Pellagri 106 | <<locked>> | 94% | 40,089 psi | 63% | 2297 fps | 95.3% |
| Hodgdon H4198 | <<locked>> | 92% | 44,019 psi | 69% | 2346 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 21,654 psi | 34% | 1293 fps | 100% |
| IMR 4198 | <<locked>> | 84% | 29,240 psi | 46% | 2106 fps | 95.5% |
| IMR 4227 | <<locked>> | 80% | 35,244 psi | 55% | 2192 fps | 98.9% |
| Lovex D060 | 17.3 gr | 80% | 42,757 psi | 67% | 2336 fps | 98.9% |
| Lovex D063 | <<locked>> | 80% | 47,805 psi | 75% | 2405 fps | 99.6% |
| Lovex S040 | <<locked>> | 80% | 52,562 psi | 82% | 2336 fps | 100% |
| Lovex S053 | <<locked>> | 80% | 34,098 psi | 53% | 2165 fps | 100% |
| Norma 200 | <<locked>> | 82% | 27,238 psi | 43% | 2116 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 21,683 psi | 34% | 1332 fps | 100% |
| ReloadSwiss RS 36 | 18 gr | 80% | 33,808 psi | 53% | 2205 fps | 98.5% |
| Shooters World Blackout | <<locked>> | 80% | 47,805 psi | 75% | 2405 fps | 99.6% |
| Shooters World Buffalo Rifle | 17.3 gr | 80% | 42,757 psi | 67% | 2336 fps | 98.9% |
| Shooters World SOCOM | <<locked>> | 80% | 42,902 psi | 67% | 2320 fps | 99.4% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 32,300 psi | 51% | 2021 fps | 100% |
| SNPE Vectan SP 3 | <<locked>> | 96% | 38,522 psi | 60% | 2336 fps | 95.4% |
| Vihtavuori N110 | <<locked>> | 80% | 40,509 psi | 63% | 2211 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 27,804 psi | 44% | 2096 fps | 99.1% |
| Vihtavuori N130 | <<locked>> | 92% | 32,358 psi | 51% | 2188 fps | 95.6% |
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 32 powders for 7 x 44 Penna loaded with the .277 | 112gr | Lehigh Defense Controlled Chaos. Accurate 5744 delivers the highest muzzle velocity at 2,552 fps; across all powders the maximum-charge window runs from 1,453 fps to 2,552 fps. Accurate 2015 gives the best case fill at 100 %, and 32 of the 32 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 46–90 %, leaving at least 10 % headroom. The 112.0 gr projectile in 0.277" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate LT-30, ADI AR 2207 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 36, Shooters World Buffalo Rifle, Lovex D060 rank at the top here: for 7 x 44 Penna with the .277 | 112gr | Lehigh Defense Controlled Chaos 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.