The Colt M4 OEM rifle in 5.56 NATO and matte black finish (brand part no. CR6920) is a battle-proven platform built for customization and reliability, pairing a chrome-lined 16.1-inch barrel with a 1:7 twist for durability and accuracy. Colt rates the rifle for a 30-round capacity and ships it with one 30-round magazine, running a 4-position collapsible stock for adaptability across shooting applications. A2 front sights pair with a Magpul MBUS rear sight for precise targeting, and an A2 flash hider reduces muzzle flash. The rifle runs a semi-automatic action at a lightweight 6.9 pounds. Among AR rifles, this M4 OEM configuration favors shooters who want a lightweight, customization-ready mil-spec platform for tactical use, training, or home defense.

Key Specifications

• The chambering is .223 Remington/5.56 NATO.
• The capacity is 30 rounds, with one magazine included.
• The barrel measures 16.1 inches, chrome-lined.
• The barrel finish is black.
• The rate of twist is 1:7.
• The sights are an A2 front and Magpul MBUS rear, adjustable.
• The stock is a 4-position collapsible stock.
• The muzzle device is an A2 flash hider.
• The action is semi-automatic.
• Unloaded weight is a lightweight 6.9 pounds.

Frequently Asked Questions

Does this rifle include sights? Yes, A2 front sights paired with a Magpul MBUS flip-up rear sight.

What makes this rifle customization-ready? Its mil-spec platform and OEM configuration accept the same aftermarket parts as a standard AR-15.

What magazine does this rifle ship with? One 30-round magazine.

Buy the Colt M4 OEM Rifle

A lightweight, customization-ready mil-spec platform is exactly what this M4 OEM delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.