Colt AR-15A4 5.56 NATO Semi-Auto Rifle, 20 in Chrome-Lined Barrel, Flat-Top Upper, A2 Stock, Carry Handle
This Colt AR-15A4 delivers the classic 20-inch rifle-length configuration with a modern flat-top upper and the factory detachable carry handle installed. Its 4150 CMV chrome-lined government-profile barrel is marked "C MP 5.56 NATO 1/7" and paired with a rifle-length gas system. Forged 7075-T6 receivers wear a Type III hard-coat anodized finish, and the A2 front sight base retains the bayonet lug and sling swivel. It comes in excellent condition with a clean, mirror-bright bore.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The exterior shows some superficial scratches and small blemishes.
What’s Included
- Factory Colt cardboard box with matching label
- Manual
- Cable lock
- 1x 30-round magazine
- 1x 20-round magazine
Built on the AR-15 platform with a direct impingement action, this rifle features forged 7075-T6 aluminum receivers finished in Type III hard-coat anodizing. The flat-top Picatinny upper integrates a shell deflector, forward assist, and ejection-port cover. The lower is AR-15A4 marked in 5.56mm with a manual safety selector.
The 20-inch 4150 CMV steel barrel is chrome-lined with a government profile and a 1:7 RH twist. It uses a rifle-length gas system and is threaded, fitted with an A2-style flash suppressor and crush washer. Barrel marking reads "C MP 5.56 NATO 1/7."
Sighting is handled by an A2 front sight base and a detachable carry-handle rear aperture. The rifle wears ribbed, rifle-length two-piece polymer handguards with heat-shield vents and a round delta ring. Sling attachment points include a front swivel under the FSB and a rear sling loop at the stock toe.
Furniture includes a fixed A2 stock and A2 pistol grip with a 13.5-inch length of pull. Stated maximum capacity is 30+1, and this rifle ships with one 30-round and one 20-round magazine. Country of origin is USA; manufacturer part number is AR15A4.