The Stag 15 M4 features a 5.56x45mm NATO/223 Rem chamber 16", 1/7 chrome lined barrel with a thermoplastic handguard, a Magpul MOE trigger guard, a six position buttstock, A2 birdcage flash hider and a mil-spec manganese phosphate coated M16 BCG. Lowers stamped to reflect our new Wyoming Operations.