New Stag Arms M4 Upper Half for the AR-15

Includes Mil-Spec Manganese Phosphate coated M16 bolt carrier group; and charge handle

Caliber: 5.56 NATO / .223 Remington

16", 4140 steel, chrome lined, government profile, manganese phosphate coated barrel with 1/9 twist; button rifled

Fully compatible with any brand mil spec lower receiver, not just Stag

A2 Front Post with F-Marked A2 front sight, side swing swivel, and bayonet lug

Made to mil-spec standards this upper is perfect for adding optics. We normally have more than 1 in stock. If you're interested in more than 1, email us [email protected] for pricing

We ship to California for California legal items!

A lay away plan is also available. Please email us at [email protected] for details

Part No. SA700116