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Advanced Armament 51T Mount Blackout 556NATO – Black
$100.00Advanced Armament Corp BlackoutFlash Hider556NATO1/2X28 Thread PitchFits 51T Mount For 13.7″/13.9″ BarrelsSCARmor FinishBlackPolymer Witness BlockFeatures:5.56mm-1/2x28Rocksett IncludedOpen-end, 3-Prong Design
