Load data for .300 PRC + 220gr MAKER 300 blackout
401 suitable loads across 67 powder(s) for cartridge .300 PRC with 220gr MAKER 300 blackout bullet.
The most recommended powders for this combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Winchester StaBALL HD.
Based on SAAMI, the max. allowed case length is 2.580 in / 65.53 mm, the max. cartridge length is 3.700 in / 93.98 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Based on SAAMI, the max. allowed case length is 2.580 in / 65.53 mm, the max. cartridge length is 3.700 in / 93.98 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 220gr | 300 blackout
Cartridge:.300 PRC load data
Case Length (L3):2.580" | 65.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.476" | 12.1 mm
Case Capacity:99 gow | 6.42 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (SAAMI):65,000 psi | 4,482 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:11.0
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