Advanced Armament Co (AAC) Single Chamber Muzzle Brake Non-Suppressor Mount (NSM) 5.56mm AR-15 1/2"-28 Thread Matte
- Caliber: 22 Cal/5.56mm
- Thread Pitch: 1/2"-28
- Length: 1.375"
- Length Added to Barrel: 1.25"
- Finish: SCARmor
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