Load Specifications
Load data in caliber 7 x 44 Penna with .277 | 130gr | NorthFork Bonded Core bullet and 38 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 ReloadSwiss RS 36.
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>> | 96% | 57,421 psi | 90% | 2310 fps | 100% |
| Accurate 2015ᴾ | <<locked>> | 100% | 38,508 psi | 60% | 2152 fps | 97.8% |
| Accurate 5744 | <<locked>> | 86% | 56,855 psi | 89% | 2320 fps | 100% |
| Accurate LT-30ᴾ | <<locked>> | 100% | 53,316 psi | 84% | 2257 fps | 98.7% |
| Accurate LT-32ᴾ | <<locked>> | 100% | 53,911 psi | 84% | 2260 fps | 97.1% |
| Accurate No. 11 FS | <<locked>> | 84% | 55,695 psi | 87% | 2254 fps | 100% |
| ADI APS 450 | <<locked>> | 82% | 55,172 psi | 86% | 1667 fps | 100% |
| ADI AR 2205 | <<locked>> | 88% | 56,739 psi | 89% | 2192 fps | 100% |
| ADI AR 2207ᴾ | <<locked>> | 100% | 54,143 psi | 85% | 2336 fps | 100% |
| ADI AR 2219ᴾ | <<locked>> | 100% | 49,821 psi | 78% | 2333 fps | 98.2% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 35,839 psi | 56% | 2165 fps | 99.1% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 44,831 psi | 70% | 2260 fps | 99.6% |
| Alliant Reloder-7ᴾ | <<locked>> | 100% | 56,985 psi | 89% | 2346 fps | 100% |
| Baschieri & Pellagri 106ᴾ | <<locked>> | 100% | 51,242 psi | 80% | 2257 fps | 98.7% |
| Hodgdon H322ᴾ | <<locked>> | 100% | 41,191 psi | 65% | 2208 fps | 96.4% |
| Hodgdon H335ᴾ | <<locked>> | 100% | 49,081 psi | 77% | 2329 fps | 97% |
| Hodgdon H4198ᴾ | <<locked>> | 100% | 54,955 psi | 86% | 2290 fps | 98.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 30,545 psi | 48% | 1325 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 48,008 psi | 75% | 2247 fps | 100% |
| IMR 4227 | <<locked>> | 94% | 56,173 psi | 88% | 2277 fps | 100% |
| Lovex D060 | <<locked>> | 88% | 56,855 psi | 89% | 2320 fps | 100% |
| Lovex D063 | <<locked>> | 86% | 54,505 psi | 85% | 2260 fps | 100% |
| Lovex D073.4ᴾ | <<locked>> | 100% | 54,665 psi | 86% | 2382 fps | 97.1% |
| Lovex S053 | <<locked>> | 96% | 56,768 psi | 89% | 2264 fps | 100% |
| Norma 200ᴾ | <<locked>> | 100% | 50,647 psi | 79% | 2320 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 29,921 psi | 47% | 1352 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 94% | 55,390 psi | 87% | 2310 fps | 100% |
| Shooters World AR Plusᴾ | <<locked>> | 100% | 54,665 psi | 86% | 2382 fps | 97.1% |
| Shooters World Blackout | <<locked>> | 84% | 56,608 psi | 89% | 2297 fps | 100% |
| Shooters World Buffalo Rifle | <<locked>> | 88% | 56,855 psi | 89% | 2320 fps | 100% |
| Shooters World SOCOM | <<locked>> | 86% | 54,505 psi | 85% | 2260 fps | 100% |
| SNPE Vectan BA6 1/2ᴾ | <<locked>> | 100% | 56,985 psi | 89% | 2129 fps | 100% |
| SNPE Vectan SP 10ᴾ | <<locked>> | 100% | 49,850 psi | 78% | 2339 fps | 97.2% |
| SNPE Vectan SP 3ᴾ | <<locked>> | 100% | 46,137 psi | 72% | 2257 fps | 98.4% |
| Vihtavuori N110 | <<locked>> | 90% | 57,058 psi | 89% | 2188 fps | 100% |
| Vihtavuori N120ᴾ | <<locked>> | 100% | 54,288 psi | 85% | 2293 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 43,279 psi | 68% | 2178 fps | 99.2% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 37,550 psi | 59% | 2093 fps | 97.2% |
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% | 33,721 psi | 53% | 1985 fps | 97.4% |
| Accurate 2015 | <<locked>> | 92% | 29,892 psi | 47% | 1995 fps | 95.2% |
| Accurate 5744 | <<locked>> | 80% | 47,239 psi | 74% | 2198 fps | 99.9% |
| Accurate LT-30 | <<locked>> | 86% | 35,215 psi | 55% | 1991 fps | 95% |
| Accurate LT-32 | <<locked>> | 94% | 45,440 psi | 71% | 2149 fps | 95.4% |
| Accurate No. 11 FS | <<locked>> | 80% | 49,632 psi | 78% | 2188 fps | 100% |
| ADI APS 450 | <<locked>> | 80% | 53,432 psi | 84% | 1647 fps | 100% |
| ADI AR 2205 | <<locked>> | 80% | 44,454 psi | 70% | 2054 fps | 100% |
| ADI AR 2207 | <<locked>> | 80% | 29,675 psi | 47% | 1978 fps | 99.5% |
| ADI AR 2219 | <<locked>> | 92% | 38,348 psi | 60% | 2159 fps | 95.6% |
| Alliant AR-Comp | <<locked>> | 88% | 25,193 psi | 39% | 1923 fps | 95.3% |
| Alliant Reloder-10x | <<locked>> | 84% | 27,412 psi | 43% | 1949 fps | 95.6% |
| Alliant Reloder-7 | <<locked>> | 80% | 31,096 psi | 49% | 1965 fps | 97.4% |
| Baschieri & Pellagri 106 | <<locked>> | 88% | 35,114 psi | 55% | 2024 fps | 95.3% |
| Hodgdon H322 | <<locked>> | 98% | 38,914 psi | 61% | 2169 fps | 95.8% |
| Hodgdon H335 | <<locked>> | 96% | 42,598 psi | 67% | 2234 fps | 95.6% |
| Hodgdon H4198 | <<locked>> | 88% | 38,957 psi | 61% | 2064 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,205 psi | 35% | 1178 fps | 100% |
| IMR 4198 | <<locked>> | 80% | 27,398 psi | 43% | 1883 fps | 96.2% |
| IMR 4227 | <<locked>> | 80% | 36,912 psi | 58% | 2024 fps | 99.7% |
| Lovex D060 | 16.2 gr | 80% | 45,208 psi | 71% | 2169 fps | 99.8% |
| Lovex D063 | <<locked>> | 80% | 44,512 psi | 70% | 2136 fps | 99.9% |
| Lovex D073.4 | <<locked>> | 94% | 43,990 psi | 69% | 2244 fps | 95% |
| Lovex S053 | <<locked>> | 80% | 36,201 psi | 57% | 2001 fps | 100% |
| Norma 200 | <<locked>> | 80% | 27,398 psi | 43% | 1936 fps | 96.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 21,828 psi | 34% | 1204 fps | 100% |
| ReloadSwiss RS 36 | 16.8 gr | 80% | 35,926 psi | 56% | 2047 fps | 99.6% |
| Shooters World AR Plus | <<locked>> | 94% | 43,990 psi | 69% | 2244 fps | 95% |
| Shooters World Blackout | <<locked>> | 80% | 49,647 psi | 78% | 2218 fps | 100% |
| Shooters World Buffalo Rifle | 16.2 gr | 80% | 45,208 psi | 71% | 2169 fps | 99.8% |
| Shooters World SOCOM | <<locked>> | 80% | 44,512 psi | 70% | 2136 fps | 99.9% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 34,185 psi | 54% | 1860 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 94% | 40,857 psi | 64% | 2208 fps | 95.2% |
| SNPE Vectan SP 3 | <<locked>> | 90% | 34,476 psi | 54% | 2064 fps | 95.6% |
| Vihtavuori N110 | <<locked>> | 80% | 42,627 psi | 67% | 2028 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 29,965 psi | 47% | 1952 fps | 99.9% |
| Vihtavuori N130 | <<locked>> | 84% | 27,151 psi | 43% | 1890 fps | 95% |
| Vihtavuori N133 | <<locked>> | 94% | 31,705 psi | 50% | 1985 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 38 powders for 7 x 44 Penna loaded with the .277 | 130gr | NorthFork Bonded Core. Lovex D073.4 delivers the highest muzzle velocity at 2,382 fps; across all powders the maximum-charge window runs from 1,325 fps to 2,382 fps. Accurate 2015 gives the best case fill at 100 %, and 38 of the 38 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 47–90 %, leaving at least 10 % headroom. The 130.0 gr projectile in 0.277" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate LT-30, Accurate LT-32 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, ReloadSwiss RS 36 rank at the top here: for 7 x 44 Penna with the .277 | 130gr | NorthFork Bonded Core 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.