Colt M4 Carbine 5.56 NATO Semi-Auto Rifle 16.1\" Chrome-Lined Barrel
by Colt
User Ratings
No ratings yet
Be the first to review this product
The Colt M4 Law Enforcement Carbine (e.g., LE6920/CR6920) is a 5.56x45mm NATO, gas-operated, semi-automatic rifle engineered for high reliability, featuring a 16.1-inch chrome-lined barrel (1:7 twist). Designed for patrol and tactical use, it features a 4-position collapsible stock, MIL-STD-1913 rail for accessories, and Magpul flip-up sights. Key Features and Description: Action/Operating System: Direct impingement, semi-automatic only, specifically designed to function in close-quarters and...
Specifications
- Manufacturer:
- Colt
- Category:
- lower-receiver
- Caliber:
- 5.56x45mm NATO
- Platforms:
- AR-15
- Interfaces:
- MIL-STD-1913
- MPN:
- 646159
- Required Component:
- Yes
- Complete Firearm:
- Yes
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
Current
$720.99
Lowest
$720.99
Highest
$720.99
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertWhat's Included in this Bundle
Similar Products
Griffin Armament MK2 Ambi Stripped AR-15 Lower Receiver - Ambidextrous Controls - Flared Magwell - Anodized Black - MK2AL
Griffin Armament
$189.99
Aero Precision Inc M4E1 223/5.56mm AR-15 Stripped Lower Receiver
Aero Precision
$108.50
Geissele Automatics Super Duty Stripped AR-15 Lower Receiver - Desert Dirt
Geissele Automatics
$200.00
AERO PRECISION AR-15 Gen 2 Stripped Lower Receiver - Matte Black
Aero Precision
$89.99
LMT MARS-L Ambidextrous AR-15 Stripped Lower Receiver
LMT
$342.00
PSA AR-15 "Stealth" Stripped Lower Receiver
Palmetto State Armory
$69.99
PSA AR-15 Lower Safe/Fire - 1728
Palmetto State Armory
$64.99
PSA AR-15 M4 Carbine Stripped Lower Receiver
Palmetto State Armory
$79.99
Builds Using This Part
No builds yet — be the first to use this part.
Related Guides
Guide
AR-10 Receiver Patterns: DPMS vs. Armalite Compatibility
The AR-10 has two incompatible receiver patterns — DPMS and Armalite — that look similar but do not share parts. This guide explains the differences and how to buy correctly.
6 min read
Guide
The AR-10 Platform: What It Is and How It Differs from the AR-15
A practical overview of the AR-10 — its origins, how it differs from the AR-15, available calibers, and when it makes more sense than a standard AR-15 build.
6 min read
Guide
AR-15 Components: A Complete Reference Guide
A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
12 min read