UTG PRO Made in USA Mil-spec 6-Position Receiver Extension Tube, Precision Machined from 6061/T6 Aircraft Grade Aluminum, Matte Black Anodizing with Mil-spec, Type III Hardcoat - Class II.
Features
Proudly Designed and Made in USA
6 Position, Mil-spec Diameter, and Compatible with Carbine Buffers and Springs
CNC Machined from 6061-T6 Aluminum with Precisely Rolled Threads for Reliable Thread Engagement with Lower Receiver
Tight Tolerances for a Secure Fit and Function with Various Collapsible Mil-spec Stocks
Matte Black Type III Class II Hard Coat Anodized Finish