Stag Arms AR-15 5.56 Carbine M4 Upper Assembly - STAG15111101

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