AAC MK13-SD Muzzle Brake
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Highly-efficient muzzle brake design and compatible with the AAC MK13-SD. Constructed with aerospace-grade heat-treated 17-4 stainless steel and Nitride coated for high surface hardness and durability.
7.62, 5/8-24 Thread Pitch.
*NOT FOR USE ON SCAR 17 OR RUGER GUNSITE SCOUT
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