AAC 51T Muzzle Devices/mounts - Left to Right:


1/2-28 3-prong flash hider - Bore drilled to 9mm (if I remember correctly) - $65


1/2-28 3-prong flash hider - $65


1/2-28 muzzle break - $80


5/8-24 3-prong flash hider - bit of corrosion - $60 


5/8-24 3-prong flash hider - bit of rust - $60 


5/8-24 3-prong flash hider - $80