Load data for .300 AAC Blackout + 188gr Discreet Ballistics Selous Machined Expander

66 suitable loads across 16 powder(s) for cartridge .300 AAC Blackout with 188gr Discreet Ballistics Selous Machined Expander bullet.

The most recommended powders for this combination are Vihtavuori N110, Accurate No. 11 FS and ADI AR 2205.

.300 AAC Blackout cartridge with combo bulletSeated DepthL3 = 1.367 in / 34.72 mmL6 = 2.260 in / 57.40 mmSeated Depth = .485 in / 12.32 mm

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
Case Length (L3):1.367" | 34.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.519" | 13.2 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:16.0" | 406 mm
Min. Twist Rate:1:12.0

Get PRO license to unlock all data and calculators