Shipping to FFL Dealer RequiredYesMade In America?YesPlatformAR15MaterialMachined from 7075-T6 forged aluminumSelect Your FinishAnodized BlackMarkings"Cal Multi"CompatibilityWorks with standard AR15 components and magazinesWeight(s)8.35ozOtherRear takedown pin detent hole is threaded for a 4-40 set screw