Colt 6920 M4 Carbine 5.56mm NATO 16.1in Matte Black Semi Automatic Modern Sporting Rifle – 30+1 Rounds

Colt M4 Carbine 5.56 NATO 16.1 Inch Semi-Automatic Modern Sporting Rifle – Colt 6920 Series

The Colt M4 Carbine 5.56mm NATO 16.1 Inch Semi-Automatic Rifle is the civilian counterpart to Colt’s military M4 platform. Built on the proven 6920 series architecture, it emphasizes reliability, durability, and familiar AR-15/M4 handling characteristics.

This rifle is designed to mirror the configuration used by military forces worldwide while remaining available in a semi-automatic civilian format.

Key Features

• Chambered in 5.56mm NATO / .223 Remington

• 30+1 round capacity

• 16.1-inch chrome-lined barrel

• Direct impingement gas system

• Carbine-length gas system

• Forged 7075-T6 aluminum upper and lower receivers

• Flat-top upper receiver with M4 feed ramps

• A2 front sight base

• Magpul flip-up rear sight (MBUS)

• Collapsible 4-position stock

• Polymer handguard

• A2 pistol grip

• Birdcage A2 flash hider (threaded 1/2×28 TPI)

• Reversible selector switch

• 1:7 twist rate barrel

Military-Inspired Design

This model closely follows the configuration of Colt’s service rifles, maintaining the same core operating system used in duty weapons. The forged receiver construction and chrome-lined barrel are designed for durability under high-round-count use and varied environmental conditions.

The carbine-length gas system contributes to a compact overall layout while maintaining reliable cycling.

Optics and Sighting System

The rifle features a fixed A2 front sight base paired with a flip-up Magpul MBUS rear sight. This combination provides a traditional iron sight setup with the flexibility to add optics on the flat-top upper receiver.

Handling and Ergonomics

The collapsible stock allows adjustment for different shooter sizes and shooting positions. The overall weight of under 6 pounds contributes to fast handling and ease of carry.

The AR/M4 control layout remains standard, ensuring familiarity for users trained on similar platforms.

Colt M4 Carbine 6920 Specifications

Manufacturer: Colt
Model: M4 Carbine (6920 Series)
Action: Semi-Automatic, Direct Impingement
Caliber: 5.56mm NATO / .223 Remington
Capacity: 30+1 Rounds
Barrel Length: 16.1 Inches
Barrel Type: Chrome-lined
Receiver Material: Forged 7075-T6 aluminum
Gas System: Carbine-length
Stock: 4-position collapsible
Sights: A2 front / Magpul MBUS rear
Twist Rate: 1:7
Weight: 5.95 lbs
Overall Length: 35.5 inches
Type: Centerfire

Overall Role

This rifle is best understood as a direct continuation of Colt’s military-grade M4 lineage. It prioritizes reliability, parts compatibility, and proven performance under demanding conditions while remaining accessible in a civilian semi-automatic configuration.