.450 bushmaster Custom AR

With one horse lower and amraspec buffer weight

Has a tromix barrel on it threaded

Midwest industries handguard

Aero precision bolt

Aero precision bolt carrier

Really nice and accurate set up.

It shot 1 inch group at 100yards with my can and subsonic ammo constantly

Will come with 1 mag

Asking 500 obo

Upper has well over 700$ in it