ar-57

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1title ar57 16″ complete slc upper receiver. your price $745.99descriptionour new design 16″ complete slc upper receiver:: ar57 16″ complete slc m-lok upper. ar57 mfg., factory new. comes with 16″ lightweight barrel, lightweight flash hider, semi auto bolt, carbine buffer, ambidextrous mag release, ambidextrous charging handle with m-lok rails. we have temporarily ceased production due … ar57 homepage read more »