Rise Armament AR-15 Customizable Lower Receiver Parts Kit

The Rise Armament AR-15 Customizable Lower Receiver Parts Kit provides most of the mil-spec parts generally used in an AR-15 build, while still allowing the flexibility to add common aftermarket upgrades, such as a pistol grip and match grade trigger components. Customizable lower parts kits offer an economical way to get all the small pieces needed for an AR-15 lower, without wasting money on the parts you won't use!Kit Includes: Safety detent pinSafety detent springMag catchMag catch springMag