Stag 15 Retro Rifles are the high quality, durable, military proven A2 rifle you've been looking for. Made to mil-spec standards with a removable A3 carry handle, A2 buttstock with trap door for storage and a rifle length thermoplastic handguard with double heat shields The Stag 15 Retro Rifle features a 5.56x45mm NATO chamber 20" 1/7 chrome-lined barrel, A2 birdcage flash hider, mil-spec charging handle and a mil-spec manganese phosphate coated M16 BCG. Every complete AR15 rifle from Stag Arms comes with a Transferable Lifetime Warranty, an Infinite Shot Barrel Guarantee and a magazine.