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.
This upper half does not include a BCG or Charging Handle.
Action: Semi-Auto Direct Impingement
Caliber: 5.56 NATO | .223
Twist Rate: 1/7 Button Rifled
Muzzle Device: A2 Flash Hider
Barrel: 16″, 4150 Steel, Chrome Lined, Government Profile, Manganese Phosphate Coated
Handguard: Thermoplastic with Double Heat Shields
Receiver Material: Forged and Mil-Spec 7075 T6 Aluminum with Type 3 Hard Coat Anodizing
Bolt Carrier: None
Gas System: Carbine Length with A2 Front Post
Charging Handle: None