AAC 90T BLACKOUT .300/.308 Muzzle Brake
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Highly-efficient muzzle brake design and compatible with AAC sound supperssors. Constructed with aerospace-grade heat-treated 17-4 stainless steel and SCARmor™ coated for high surface hardness and durability.
Caliber: .300/.308
Finish: SCARmor™
Threads: 5/8X24