Product Description
1.2" OD Receiver Extension Tube Compatible with AR15 Lower Receivers; Compatible with Standard AR15 Type Buffers and Springs; Finished in a Matte Black Type III Class II Hard Coat Anodize; Precision Machined from 7075-T6 Aircraft Grade Aluminum; A Dry Film Lube Coated Interior for Smoother and More Reliable Cycling; Proudly Designed and Made in USA