Colt LE6920 AR15 5.56mm NATO/223 Remington 16.1in Matte Black Semi-Auto Modern Sporting Rifle – 30+1 Rounds

Colt LE6920 AR-15 5.56 NATO 16.1 Inch Semi-Automatic Modern Sporting Rifle – OEM Configuration

The Colt LE6920 OEM1 5.56mm NATO 16.1 Inch Semi-Automatic Rifle is a stripped, factory OEM version of Colt’s well-known LE6920 carbine. It is designed as a base platform for customization, providing the core Colt AR-15/M4-spec receiver and barrel system without installed furniture or sights.

This configuration is intended for users who want to build out the rifle with their own preferred stock, handguard, and optic system.

Key Features

• Chambered in 5.56mm NATO / .223 Remington

• 30+1 round capacity

• 16.1-inch chrome-lined barrel

• 1:7 twist rate

• Semi-automatic direct impingement system

• Forged AR-style upper and lower receiver

• Matte black finish

• OEM “no furniture / no sights” configuration

• Flat-top upper receiver ready for optics

• Colt LE6920 platform base

OEM “Builder” Configuration

Unlike fully equipped carbines, this model ships without:

• Stock or buffer tube furniture

• Handguard system

• Iron sights

This makes it a true base rifle for customization. Users can install:

• Free-float or drop-in handguards

• Adjustable stocks

• Backup iron sights or optics

• Grips and accessories

Barrel and Core Performance

The rifle retains Colt’s standard 16.1-inch chrome-lined barrel, known for:

• Enhanced corrosion resistance

• Increased barrel longevity

• Military-spec durability

The 1:7 twist rate stabilizes a wide range of bullet weights commonly used in 5.56 NATO ammunition.

Receiver and Platform

The LE6920 OEM1 is built on Colt’s forged aluminum AR receiver set, maintaining compatibility with standard AR-15 components and accessories. The flat-top upper receiver allows straightforward optic mounting.

Intended Use

This model is best understood as:

• A duty-grade AR-15 base platform

• A builder-friendly Colt OEM rifle

• A foundation for custom patrol, sporting, or training configurations

Colt LE6920 OEM1 Specifications

Manufacturer: Colt
Model: LE6920 OEM1
Action: Semi-Automatic, Direct Impingement
Caliber: 5.56mm NATO / .223 Remington
Capacity: 30+1 Rounds
Barrel Length: 16.1 Inches
Barrel Type: Chrome-lined
Twist Rate: 1:7
Receiver: Forged AR-style upper and lower
Finish: Matte black
Configuration: OEM (no furniture, no sights)
Type: Centerfire

Overall Role

The LE6920 OEM1 is best understood as a stripped-duty AR platform that preserves Colt’s core military-spec barrel and receiver system while allowing full end-user customization from the ground up.