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SKU: GAG_GSS-TLU001-KIT-293013
Detail Information: Made In USA 6 Position Mil-spec Diameter Receiver Extension Tube for AR15 Rifles Extension Tube CNC Machined from 6061-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread Engagement with Lower Receiver Finished in Matte Black Type III Class II Hard Coat Anodize Includes Mil-spec 6 Position Extension Tube Carbine Buffer Buffer Spring Receiver End Plate and Castle Nut