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Load data for .300 AAC Blackout + 135gr Sierra HPBT MatchKing

27 suitable loads across 5 powder(s) for cartridge .300 AAC Blackout with 135gr Sierra HPBT MatchKing bullet.

The most recommended powders for this combination are Hodgdon LilGun, Lovex S040 and Vihtavuori N110.

.300 AAC Blackout cartridge with combo bulletSeated DepthL3 = 1.367 in / 34.72 mmL6 = 2.260 in / 57.40 mmSeated Depth = .140 in / 3.56 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
Bullet:.308 | 135gr | HPBT MatchKing
Cartridge:.300 AAC Blackout load data
Case Length (L3):1.367" | 34.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.458" | 11.6 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:1:15.0

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Community Loads for .300 AAC Blackout + 135gr Sierra HPBT MatchKing

Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.

PowderCharge (gr)C.O.L.Barrel LengthVelocity (fps)Pressure (psi)

Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.