Colt LE6920 Magpul Slim Line (MPS) FDE 5.56 NATO, 16 in Chrome-Lined Barrel, Carbine Gas, Bullet-Button Mag Release
This Colt LE6920 Magpul Slim Line (MPS) in FDE pairs the LE6920 carbine with Magpul MOE SL furniture and MBUS rear sight in a clean, factory-configured package. It features a 16-inch chrome-lined 4150 CMV barrel with 1:7 twist, a carbine-length gas system, and an upper receiver with a flat-top Picatinny rail and T-markings. The rifle includes a bullet-button style, compliant mag release and comes with its matching factory box, manual, and two 10-round magazines.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are minimal markings from previous handling and use. Please see the photos for an accurate view of the condition.
What’s Included
- Colt factory cardboard box with matching label
- Colt AR-15 semi-automatic rifles and carbines safety/owner's manual
- 2x 10-round magazines (1 Magpul PMAG polymer, 1 metal STANAG-pattern)
The Magpul Slim Line (MPS) configuration equips this LE6920 with the Magpul MOE SL handguard, a Magpul polymer pistol grip, and an FDE collapsible stock with friction lock and a QD socket. The package also includes a Magpul MBUS folding rear sight paired with an A2 front sight base with adjustable post.
The 16-inch 4150 CMV barrel is chrome-lined with an M4 profile and M203 relief cut, protected by a phosphate finish and capped with an A2 flash suppressor. It carries the correct barrel marking "C MP 5.56 NATO 1/7" and uses a carbine-length gas system for the LE6920 pattern.
The upper receiver is a flat-top with a Picatinny rail that has T-markings (T4–T12 visible), and it includes a forward assist, ejection-port cover, and case deflector. The lower and upper are made from 7075-T6 aluminum with a hardcoat anodized black finish.
This rifle has a bullet-button style, shrouded magazine-release device installed, providing a compliant mag release. Capacity is 10+1 with the included magazines. Controls include a manual safety selector. The box label notes "M4 CARBINE – SEMI-AUTO (2013 Config)" and matches the LE-prefix serial.
Factory model/part number is LE6920CMPS-FDE, and country of origin is the USA.