Load data for .300 AAC Blackout + 180gr Barnes MRX BT
336 suitable loads across 62 powder(s) for cartridge .300 AAC Blackout with 180gr Barnes MRX BT bullet.
Based on C.I.P., the max. allowed case length is 1.368 in / 34.75 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 50,763 PSI / 3,500 bar.
Based on C.I.P., the max. allowed case length is 1.368 in / 34.75 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 50,763 PSI / 3,500 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 180gr | MRX BT
Cartridge:.300 AAC Blackout load data
Case Length (L3):1.367" | 34.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.511" | 13.0 mm
Case Capacity:25.1 gow | 1.63 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (C.I.P.):50,763 psi | 3,500 bar
Barrel Length:9.0" | 229 mm
Min. Twist Rate:1:11.5
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