Aero's gen 2 stripped lower receiver is the perfect base for your custom ar-15 build.Machined to mil-spec dimensions, this lower works with standard ar-15 components and ensure the highest quality with a correct component interface.Gen 2 improvements include nylon tipped tensioning set screw to fine tune the fit of the upper and lower receiver, and an increased magwell flare easier insertion of magazines and a sleeker look.The rear takedown pin detent hole is threaded for a 4-40 set screw.This lower is made in america, machined from 7075-t6 forged aluminum, marked "cal multi".Note: requires a lower parts kit, buffer & stock of your choosing to complete.

Type: Stripped
Gun Model: AR-15
Gun Type: AR Platform
Caliber: Multi-Caliber
Material: 7075-T6 Aluminum
Finish: Black Hardcoat Anodized
Trigger: None