Smith & Wesson 5.56MM Flash Hider (1/2X28)The Smith & Wesson 5.56MM Flash Hider (1/2X28) is listed here with specifications taken directly from Smith & Wesson for part number 12145 (UPC 609224348037).The NEW GEMTECH flash hiders are the culmination of user feedback, extensive testing, and decades of experience. The new flash hiders are more aggressive than ever to cut down on carbon build-up in your suppressor and to prevent it from getting stuck. Increased size of 3/4 wrench flats for installation Blank Firing Adapter (BFA) groove for increased silencer options and training Extended area behind lugs for use on short barrel rifles Overall length of 2.4 for use on 14.5 barrels (pre-drilled for pinning) Precision mounting shim kit included Built in carbon cutting grooves For use with all Gemtech Quickmount 2-lug equipped suppressors--NOT Compatible with newer Elite Taper Mount system.Order the Smith & Wesson 5.56MM Flash Hider (1/2X28) from BattleHawk Armory today.Manufacturer OverviewThe NEW GEMTECH flash hiders are the culmination of user feedback, extensive testing, and decades of experience. The new flash hiders are more aggressive than ever to cut down on carbon build-up in your suppressor and to prevent it from getting stuck. Increased size of 3/4 wrench flats for installation Blank Firing Adapter (BFA) groove for increased silencer options and training Extended area behind lugs for use on short barrel rifles Overall length of 2.4 for use on 14.5 barrels (pre-drilled for pinning) Precision mounting shim kit included Built in carbon cutting grooves For use with all Gemtech Quickmount 2-lug equipped suppressors--NOT Compatible with newer Elite Taper Mount system.Why Choose Smith & WessonSmith & Wesson has built firearms in Springfield, Massachusetts, since 1852, and today makes its products in Maryville, Tennessee. Its M&P, Shield, Bodyguard and revolver lines are some of the most widely carried in the country. Browse more Smith & Wesson firearms in our catalog.Product SpecificationsManufacturer: Smith & WessonModel: 5.56MM Flash Hider (1/2X28)Part Number: 12145UPC: 609224348037Mount Type: 1/2x28Dimensions (manufacturer): WEIGHT 4.08 ozFrequently Asked QuestionsWhat is the Smith & Wesson part number for this listing?The part number is 12145 and the UPC is 609224348037.Shop the Smith & Wesson 5.56MM Flash Hider (1/2X28) at BattleHawk Armory.