Mitchell Defense Enhanced Carbine Buffer Tube Anti-Tilt Dry Film Lubed Black. Machined from 7075-T6 aluminum it features an internal anti-tilt lip for controlled carrier movement a dry film lubricant for smooth cycling and positional drain holes for use in adverse weather or submerged environments. Its precise geometry improves recoil consistency and operational durability in duty and performance carbines. Specifications for Mitchell Defense Enhanced Carbine Buffer Tube: Manufacturer: Mitchell Defense Color: Black Finish: Anodized Fabric/Material: 7075-T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Buffer Tube Size: Mil-Spec Features of Mitchell Defense Enhanced Carbine Buffer Tube 7075-T6 aluminum construction in a carbine-length footprint Anti-tilt internal lip reduces carrier wear Dry film lubricant for smooth buffer operation Positional drain holes for maritime or adverse conditions Mil-spec diameter for broad stock compatibility Package Contents: Mitchell Defense Enhanced Carbine Buffer Tube What firearm models does the manufacturer say Mitchell Defense Enhanced Carbine Buffer Tube is compatible with? The manufacturer suggests that Mitchell Defense Enhanced Carbine Buffer Tube is compatible with AR-15Mitchell Defense 631002: Enhanced Carbine Buffer Tube Anti-Tilt Dry Film Lubed Black