Luth-AR Cam Pin .223 Gray. . Formulated using several of the most extremely heavy duty and long lasting materials in existence these Bolt Carrier Groups from Luth-AR can provide something that will give you years of consistency. Luth-AR has been making high-quality merchandise for a number of years and the Luth-AR Cam Pin is their particular means of showing you how much they care. At OpticsPlanet we ensure that it is our obligation to receive the most suitable solution for all your specifications and featuring the Luth-AR Cam Pin is something that we're pleased to offer. Specifications for Luth-AR Cam Pin: Manufacturer: Luth-AR Color: Gray Finish: Manganese Phosphate Fabric/Material: 4340 Alloy Steel Caliber: .223 Remington Gun Make: AR Platform Gun Model: AR-15 Package Contents: Luth-AR Cam Pin What firearm models does the manufacturer say Luth-AR Cam Pin is compatible with? The manufacturer suggests that Luth-AR Cam Pin is compatible with AR-15Luth-AR BT-17: Cam Pin .223 Gray