Millspec Collapsible Carbine Buffer Tube
6-position Mil-spec Diameter Receiver Extension Tube for AR15 Rifles.
Extension Tube CNC Machined from Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread Engagement with Lower Receiver
Underwent the Tightest Tolerance Controls for a Secure Fit and Function with Various Collapsible Stocks
Finished in a Matte Black Hard Coat Anodize
Proudly Designed and Made in USA