V Seven Ultra-Light Port Door 9mm AR15 Uppers

V Seven Ultra-Light Port Door 9mm AR15 Uppers. 45percent Lighter Than A Mil-Spec Steel Port Door Type Iii Hardcoat Anodized Mil-Spec Compatibility Titanium Plunger & Stainless Roll Pin Corrosion Resistant Package Contents: V Seven Ultra-Light Port Door 9mm Ar-15 Uppers What firearm models does the manufacturer say V Seven Ultra-Light Port Door 9mm Ar-15 Uppers is compatible with? The manufacturer suggests that V Seven Ultra-Light Port Door 9mm Ar-15 Uppers is compatible with AR-15V Seven UL-PD9MM: Ultra-Light Port Door 9mm AR15 Uppers