The AM-15 Stripped Lower Receiver is made with superior quality for less! Anderson lower Receivers are CNC machined from a high-strength, 7075 T6 aluminum forging for reliable performance and outstanding durability. Machined to Military Specifications & Standards and marked "Multi-Cal" to be used with multiple calibers on the AR-15 platform. This Lower Receiver comes in type III black hard anodize, and an Open Trigger. Don't over pay for the same lower receiver with a different logo and use your money saved elsewhere on your build! Pair this with one of Anderson's Upper Receivers for a solid fit for your AM-15 build!This Lower Receiver comes installed with an Anderson Lower Parts Kit for AM-15 includes the following: Bolt Catch, Bolt Catch Plunger, Bolt Catch Roll Pin, Bolt Catch Spring, Buffer, Retainer, Buffer Retainer Spring, Disconnect, Disconnect Spring, Traditional Hammer (Black in Color), Hammer Pin, Hammer Spring, Magazine Catch, Magazine Catch Button, Mag...