Type: AR-9 80% Lower Receiver — milled from 7075 T6 aircraft grade aluminum billets

Caliber: Multi (will accept any 9mm, .40 S&W, .357 SIG, and other small frame caliber upper receiver)

Magazine: Accepts any Glock style small frame pistol caliber magazines in 9mm, .40 S&W, .357 SIG, and other calibers

Weight: 16 oz before finishing

Other Specifications and Features of the 80% C-9 Billet Lower Receiver: