Load Specifications
Load data in caliber 7 x 44 Penna with .277 | 130gr | Nosler Ballistic Silver Tip bullet and 40 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% | 56,217 psi | 88% | 2287 fps | 100% |
| Accurate 2015ᴾ | <<locked>> | 100% | 37,434 psi | 59% | 2126 fps | 97.4% |
| Accurate 5744 | <<locked>> | 82% | 55,347 psi | 87% | 2293 fps | 100% |
| Accurate LT-30ᴾ | <<locked>> | 100% | 52,837 psi | 83% | 2241 fps | 98.5% |
| Accurate LT-32ᴾ | <<locked>> | 100% | 53,548 psi | 84% | 2244 fps | 96.9% |
| Accurate No. 11 FS | <<locked>> | 84% | 54,998 psi | 86% | 2241 fps | 100% |
| ADI APS 450 | <<locked>> | 84% | 57,334 psi | 90% | 1683 fps | 100% |
| ADI AR 2205 | <<locked>> | 88% | 56,115 psi | 88% | 2178 fps | 100% |
| ADI AR 2207ᴾ | <<locked>> | 100% | 53,592 psi | 84% | 2320 fps | 100% |
| ADI AR 2219ᴾ | <<locked>> | 100% | 48,776 psi | 76% | 2310 fps | 97.8% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 35,520 psi | 56% | 2149 fps | 99% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 43,671 psi | 68% | 2234 fps | 99.4% |
| Alliant Reloder-7ᴾ | <<locked>> | 100% | 56,478 psi | 89% | 2329 fps | 100% |
| Baschieri & Pellagri 106ᴾ | <<locked>> | 100% | 50,444 psi | 79% | 2238 fps | 98.4% |
| Hodgdon CFE BLK | <<locked>> | 88% | 57,479 psi | 90% | 2336 fps | 95.6% |
| Hodgdon H322ᴾ | <<locked>> | 100% | 43,932 psi | 69% | 2241 fps | 96.9% |
| Hodgdon H335ᴾ | <<locked>> | 100% | 44,889 psi | 70% | 2260 fps | 95.9% |
| Hodgdon H4198 | <<locked>> | 98% | 55,274 psi | 87% | 2283 fps | 98.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 30,560 psi | 48% | 1319 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 47,471 psi | 74% | 2231 fps | 99.9% |
| IMR 4227 | <<locked>> | 94% | 55,463 psi | 87% | 2260 fps | 100% |
| Lovex D060 | <<locked>> | 88% | 56,188 psi | 88% | 2303 fps | 100% |
| Lovex D063 | <<locked>> | 84% | 56,014 psi | 88% | 2283 fps | 100% |
| Lovex D073.4ᴾ | <<locked>> | 100% | 53,534 psi | 84% | 2356 fps | 96.8% |
| Lovex S040 | <<locked>> | 82% | 57,551 psi | 90% | 2159 fps | 100% |
| Lovex S053 | <<locked>> | 96% | 56,086 psi | 88% | 2247 fps | 100% |
| Norma 200ᴾ | <<locked>> | 100% | 50,111 psi | 79% | 2306 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 29,936 psi | 47% | 1345 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 96% | 57,290 psi | 90% | 2323 fps | 100% |
| Shooters World AR Plusᴾ | <<locked>> | 100% | 53,534 psi | 84% | 2356 fps | 96.8% |
| Shooters World Blackout | <<locked>> | 84% | 56,014 psi | 88% | 2283 fps | 100% |
| Shooters World Buffalo Rifle | <<locked>> | 88% | 56,188 psi | 88% | 2303 fps | 100% |
| Shooters World SOCOM | <<locked>> | 88% | 57,276 psi | 90% | 2280 fps | 100% |
| SNPE Vectan BA6 1/2ᴾ | <<locked>> | 100% | 56,246 psi | 88% | 2116 fps | 100% |
| SNPE Vectan SP 10ᴾ | <<locked>> | 100% | 48,849 psi | 77% | 2316 fps | 96.9% |
| SNPE Vectan SP 3ᴾ | <<locked>> | 100% | 45,672 psi | 72% | 2241 fps | 98.2% |
| Vihtavuori N110 | <<locked>> | 90% | 56,159 psi | 88% | 2172 fps | 100% |
| Vihtavuori N120ᴾ | <<locked>> | 100% | 53,679 psi | 84% | 2280 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 42,830 psi | 67% | 2165 fps | 99% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 37,202 psi | 58% | 2080 fps | 96.9% |
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% | 33,199 psi | 52% | 1965 fps | 97.1% |
| Accurate 2015 | <<locked>> | 94% | 31,256 psi | 49% | 2014 fps | 95.6% |
| Accurate 5744 | <<locked>> | 80% | 52,286 psi | 82% | 2254 fps | 100% |
| Accurate LT-30 | <<locked>> | 88% | 36,811 psi | 58% | 2011 fps | 95.3% |
| Accurate LT-32 | <<locked>> | 94% | 44,338 psi | 69% | 2123 fps | 95% |
| Accurate No. 11 FS | <<locked>> | 80% | 48,965 psi | 77% | 2172 fps | 100% |
| ADI APS 450 | <<locked>> | 80% | 53,795 psi | 84% | 1644 fps | 100% |
| ADI AR 2205 | <<locked>> | 80% | 44,411 psi | 70% | 2044 fps | 100% |
| ADI AR 2207 | <<locked>> | 80% | 29,051 psi | 46% | 1959 fps | 99.3% |
| ADI AR 2219 | <<locked>> | 92% | 38,000 psi | 60% | 2142 fps | 95.3% |
| Alliant AR-Comp | <<locked>> | 90% | 26,266 psi | 41% | 1942 fps | 95.7% |
| Alliant Reloder-10x | <<locked>> | 84% | 26,890 psi | 42% | 1929 fps | 95.2% |
| Alliant Reloder-7 | <<locked>> | 80% | 30,516 psi | 48% | 1946 fps | 97% |
| Baschieri & Pellagri 106 | <<locked>> | 90% | 36,724 psi | 58% | 2044 fps | 95.6% |
| Hodgdon CFE BLK | <<locked>> | 86% | 54,230 psi | 85% | 2297 fps | 95% |
| Hodgdon H322 | <<locked>> | 96% | 39,102 psi | 61% | 2162 fps | 95.7% |
| Hodgdon H335 | <<locked>> | 98% | 41,756 psi | 65% | 2211 fps | 95.1% |
| Hodgdon H4198 | <<locked>> | 86% | 38,421 psi | 60% | 2047 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,089 psi | 35% | 1168 fps | 100% |
| IMR 4198 | <<locked>> | 80% | 26,847 psi | 42% | 1860 fps | 95.8% |
| IMR 4227 | <<locked>> | 80% | 36,767 psi | 58% | 2014 fps | 99.6% |
| Lovex D060 | 15.9 gr | 80% | 44,512 psi | 70% | 2149 fps | 99.7% |
| Lovex D063 | <<locked>> | 80% | 49,008 psi | 77% | 2201 fps | 99.9% |
| Lovex D073.4 | <<locked>> | 96% | 46,427 psi | 73% | 2267 fps | 95.4% |
| Lovex S040 | <<locked>> | 80% | 55,013 psi | 86% | 2133 fps | 100% |
| Lovex S053 | <<locked>> | 80% | 35,462 psi | 56% | 1982 fps | 100% |
| Norma 200 | <<locked>> | 80% | 26,832 psi | 42% | 1916 fps | 96.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 21,727 psi | 34% | 1198 fps | 100% |
| ReloadSwiss RS 36 | 16.5 gr | 80% | 35,302 psi | 55% | 2028 fps | 99.4% |
| Shooters World AR Plus | <<locked>> | 96% | 46,427 psi | 73% | 2267 fps | 95.4% |
| Shooters World Blackout | <<locked>> | 80% | 49,008 psi | 77% | 2201 fps | 99.9% |
| Shooters World Buffalo Rifle | 15.9 gr | 80% | 44,512 psi | 70% | 2149 fps | 99.7% |
| Shooters World SOCOM | <<locked>> | 80% | 43,932 psi | 69% | 2119 fps | 99.9% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 33,431 psi | 52% | 1841 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 96% | 42,873 psi | 67% | 2231 fps | 95.5% |
| SNPE Vectan SP 3 | <<locked>> | 90% | 34,026 psi | 53% | 2047 fps | 95.3% |
| Vihtavuori N110 | <<locked>> | 80% | 42,366 psi | 66% | 2018 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 29,327 psi | 46% | 1932 fps | 99.8% |
| Vihtavuori N130 | <<locked>> | 86% | 28,311 psi | 44% | 1909 fps | 95.3% |
| Vihtavuori N133 | <<locked>> | 94% | 31,314 psi | 49% | 1969 fps | 95% |
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 7 x 44 Penna loaded with the .277 | 130gr | Nosler Ballistic Silver Tip. Lovex D073.4 delivers the highest muzzle velocity at 2,356 fps; across all powders the maximum-charge window runs from 1,319 fps to 2,356 fps. Accurate 2015 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 (440 MPa), the top charges use 41–90 %, 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 2200, Accurate 2230 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 | Nosler Ballistic Silver Tip they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2200, Accurate 2230, Accurate 2460 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.