Colt LE6920-OEM1 M4 Carbine 5.56 NATO 16.1″ Matte Black

The Colt LE6920-OEM1 M4 Carbine is an OEM-ready AR-platform rifle intended for builders and shooters who prefer to install their own furniture and accessories. It is a semi-automatic design built on the proven Colt M4 platform with a 16.1-inch chrome-lined barrel and a 1:7 right-hand twist. The rifle uses a direct gas system with a locking bolt and ships with an A2 front sight and matte black metal finish. Several components are intentionally omitted from the factory configuration to accept aftermarket handguards, stocks, magazines, and rear sights.

Key Specifications

• The caliber is 5.56 NATO / .223 Rem.
• The barrel measures 16.1 inches and is chrome-lined.
• The rifling twist is 1:7″ right-hand.
• The action is semi-automatic.
• The rifle uses a direct gas system with a locking bolt.
• The overall length is 32 inches.
• The metal finish is matte black.
• The front sight is an A2 post.
• The rifle ships with no stock or handguard (no furniture).
• The design accepts a detachable magazine (capacity varies by configuration).

As an OEM variant of Colt’s M4 platform, this LE6920-OEM1 provides a solid, proven foundation for custom builds and component upgrades. Its chrome-lined 16.1″ barrel and 1:7 twist support a wide range of bullet weights while the factory omissions let you tailor ergonomics, sighting systems, and accessories to your exact preferences. Whether you’re assembling a purpose-built carbine or refreshing an existing platform, this rifle is intended as a reliable starting point for experienced builders and serious shooters.