Colt M4 Carbine 5.56 NATO Semi-Auto AR-15 with MOE Furniture, Flat-Top Upper, F-Marked A2 Front Sight, 1:7 M4-Contour Barrel
This Colt M4 Carbine is a semi-automatic, AR-15–pattern rifle chambered in 5.56 NATO with Colt Defense Hartford markings and an LE-prefix serial. It features a flat-top upper with integral Picatinny rail, an M4-contour, 1:7 twist barrel marked "C MP 5.56 NATO 1/7," and an F-marked A2 front sight base with bayonet lug. The rifle is outfitted with MOE-pattern furniture and a polymer flip-up rear sight, and it comes with two Magpul PMAG GEN M3 magazines and a Magpul MOE MVG vertical grip. Overall condition is very good, and the bore is excellent.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Details: Some markings from previous handling and use are present. The bore is bright and clean.
What's Included
- Owner's manual
- 2x 30-round Magpul PMAG GEN M3 5.56x45 polymer magazines
- Magpul MOE MVG vertical grip (not installed)
Built by Colt in the USA, this M4 Carbine carries the prancing pony on the lower with "M4 CARBINE CAL. 5.56MM" and the right-side "COLT DEFENSE HARTFORD, CONN. USA." rollmark. The LE-prefix serial is present on the lower.
The flat-top upper includes an integral Picatinny rail, dust cover, and forward assist. Its steel M4-contour barrel is marked "C MP 5.56 NATO 1/7," features a 1:7 twist, and has a threaded muzzle with an A2 birdcage flash suppressor and crush washer. The rifle runs a carbine-length gas system.
Sighting equipment consists of an F-marked A2 front sight base with bayonet lug and front sling swivel, paired with a polymer flip-up rear sight. The MOE-pattern carbine handguard (with circled "M" visible) includes a short 6 o'clock accessory rail segment.
MOE-style polymer furniture includes a collapsible stock and a Magpul pistol grip. The rifle retains a semi-automatic SAFE/FIRE selector and a manual safety. Note: The listing text states a 10.5 in barrel, while the provided description and features depict a longer, carbine-length configuration; a discrepancy is noted.

