Product Description
• | 6-position Receiver Extension Tube with Mil-spec or Commerical Diameter for AR15 Rifles•Precision Machined from 6061/T6 Aircraft Grade Aluminum•Matte Black Anodizing with Mil-spec, Type III Hardcoat, Class II•Tightest Tolerance Control for Zero-gap Fit with Polymer Stock and Receiver to Meet Most Demanding Silent Operations•100% Proudly Made inUSA for Most Serious Users |