The Stag 15 M4 Upper offers the high quality, durable, military proven M4 design you've been looking for. Made to mil-spec standards, this upper satisfies the need for a standard GI carbine. Featuring a 5.56x45mm NATO chamber 16" 1/7 chrome lined barrel with a thermoplastic handguard and A2 birdcage flash hider.
* To prevent any confusion, the purchase of any Stag Arms Complete Upper does NOT include charging handle or BCG.
416R Stainless Steel - Polished
Threaded - 1/2x28 RH