Colt Trooper M4 | 5.56 NATO | 16.1 in | LE6920-R

The Colt Trooper M4 (LE6920-R) is a duty-grade modern sporting rifle built on Colt’s M4 pattern. It ships configured for modularity with a flat-top upper receiver and a Centurion Arms M-LOK extended-length handguard that accept optics and accessories. The 16.1-inch 4150 Chrome Moly Vanadium barrel is chrome-lined with a 1:7 RH twist for stabilization of a wide range of 5.56/.223 projectiles. For a matched optic under $1,000, consider a Vortex Strike Eagle 1-6×24 or similar low-power variable optic for close-to-medium engagements and practical shooting.

Product Specifications

• The model is Trooper M4 (LE6920-R).
• The manufacturer is Colt.
• The caliber is 5.56 NATO (.223 Rem).
• The action is Semi-automatic.
• The barrel measures 16.1 inches and is made from 4150 Chrome Moly Vanadium.
• The barrel features a 1:7 RH, 6-groove, chrome-lined twist rate.
• The upper and lower receivers are made from 7075-T6 aluminum with a black hardcoat anodized finish.
• The handguard is a Centurion Arms M-LOK extended-length free-floated design.
• The stock is a 6-position collapsible M4-style buttstock.
• The grip is a A2 government-style grip.
• Includes one 30-round Magpul PMAG magazine.
• The rifle uses a direct gas impingement operating system.
• The safety is a reversible selector.
• Sights: flat-top optics-ready upper; factory iron-sight information varies by source.
• The finish is matte black.

The Trooper M4 is a straightforward, modular AR-15 pattern carbine intended as a reliable platform for patrol-style configurations and practical shooting applications. Its combination of a chrome-lined 16.1″ barrel, optics-ready flat top, and M-LOK handguard makes it a practical starting point for shooters who want a dependable baseline rifle that accepts a wide range of accessories and sighting systems.