Radian Weapons Ultralight AR15 QD Endplate Black. Radian Weapons machined these AR15 Lower Parts from billet 7075-T6 aluminum complete with an anodized finish for enhanced resistance to corrosion and wear. Also the QD sling swivel cup is made from titanium for an extra strong build. The Radian Weapons Lightweight Rifle Quick-Detach End Plate is compatible with both Mil-Spec and commercial carbine buffer tubes. Install this Radian Weapons Ultralight QD End Plate for AR15/M16 to securely attach a sling to your firearm. Specifications for Radian Weapons Ultralight AR15 QD Endplate: Manufacturer: Radian Weapons Color: Black Finish: Mil-Spec Type III Anodized Fabric/Material: 7075-T6 Aluminum Gun Model: AR-15 Condition: New Country of Origin: USA Features of Radian Weapons Lightweight AR15 QD End Plate: Endplate is machined from billet 7075-T6 aluminum with milspec Type III anodized finish Press-fit Titanium QD sling swivel cup Compatible with both milspec and commercial carbine buffer tubes Requires Castle Nut for installation (not included) Package Contents: Radian Weapons Ultralight AR15 QD Endplate What firearm models does the manufacturer say Radian Weapons Ultralight AR15 QD Endplate is compatible with? The manufacturer says that Radian Weapons Ultralight AR15 QD Endplate is compatible with AR-15Radian Weapons R0078: Ultralight AR15 QD Endplate Black