Smith & Wesson Lunar 9 And GM-9 Thread Mount (1/2X28)The Smith & Wesson Lunar 9 And GM-9 Thread Mount (1/2X28) is listed here with specifications taken directly from Smith & Wesson for part number 12172 (UPC 609728889210).The Threaded Endcap Adapter to use on GM-9 and MULTIMOUNT suppressors when used with fixed barrel carbines and SMGs. 5/8-24 mount is for use with .300 Whisper and .300 Blackout carbines using SUBSONIC AMMO ONLY. NOTE: Most handguns require the use of our LID mount for proper function.Order the Smith & Wesson Lunar 9 And GM-9 Thread Mount (1/2X28) from BattleHawk Armory today.Manufacturer OverviewThe Threaded Endcap Adapter to use on GM-9 and MULTIMOUNT suppressors when used with fixed barrel carbines and SMGs. 5/8-24 mount is for use with .300 Whisper and .300 Blackout carbines using SUBSONIC AMMO ONLY. NOTE: Most handguns require the use of our LID mount for proper function.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: Lunar 9 And GM-9 Thread Mount (1/2X28)Part Number: 12172UPC: 609728889210Mount Type: 1/2x28Dimensions (manufacturer): WEIGHT 2.02 ozFrequently Asked QuestionsWhat is the Smith & Wesson part number for this listing?The part number is 12172 and the UPC is 609728889210.Shop the Smith & Wesson Lunar 9 And GM-9 Thread Mount (1/2X28) at BattleHawk Armory.