Colt LE6920 5.56 NATO AR-15 Carbine – 16 in M4 Barrel, Flat-Top, Aftermarket Quad-Rail, 3x 30-Rd Mags
This Colt LE6920 combines the proven M4 Carbine configuration with practical upgrades and clean internals. It features an aftermarket quad-rail handguard with rail covers and an angled foregrip, a flat-top upper with T-marked rail slots, and a 16-inch M4-profile barrel with an A2 flash hider. The lower shows Colt Defense Hartford rollmarks and an LE-prefix serial, and the bore is bright with sharp rifling. Three USGI-style 30-round magazines are included.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are handling marks from previous use. Please review the photos for a close look at the surfaces, controls, and rail system.
What's Included
- 3x 30-round aluminum AR-15/STANAG pattern magazines (USGI-style)
- Quad-rail Picatinny handguard (installed)
- Angled foregrip (installed)
- Picatinny rail cover panels (installed)
Built on Colt’s LE6920 platform, this carbine is marked "M4 CARBINE CAL. 5.56MM" with the Rampant Colt and "COLT DEFENSE HARTFORD, CONN. U.S.A." on the lower. It also carries a small square UID-style code and an LE-prefix serial. The receivers are 7075-T6 aluminum.
The 16-inch M4-profile stepped barrel uses a carbine-length gas system and a threaded muzzle with an A2 birdcage flash hider. A fixed A-frame front sight base with bayonet lug is secured by two taper pins. The flat-top upper has a T-marked rail (T2-T14) with a case deflector and ejection-port cover; no rear sight is included.
Aftermarket furniture centers on a quad-rail Picatinny handguard with rail cover segments and an angled foregrip installed on the bottom rail. The carbine wears a collapsible, adjustable polymer stock and an A2-style checkered polymer pistol grip. Controls include a manual safety selector.
Chambered in 5.56mm NATO with a 30+1 capacity, this rifle uses the standard AR-15/STANAG magazine interface and comes with three 30-round USGI-style aluminum magazines. The bore is bright and clean with sharp rifling, aligning with the overall well-maintained internals.