Colt AR-15 Pistol Upper Receiver Assembly 5.56x45mm Monolithic Rail
|Barrel Length||10.3 Inches|
|Barrel Finish||Black Parkerized|
|Gas Block Diameter||0.75 Inches|
|Gas System Length||Carbine|
|M4 Feed Ramps||Yes|
|Upper Receiver Type||A3 Flat-Top|
|Barrel Material||4150 Chrome Moly Vanadium Steel|
|Bolt Carrier Assembly Included||Yes|
|Muzzle Device||A2 Flash Hider|
|Mil-Spec or Commercial||Mil-Spec|
|Country of Origin||United States of America|
The Colt AR-15 Upper Receiver Assembly with Monolithic Rail comes complete with charging handle, bolt and bolt carrier assembly. Featuring a flat-top upper receiver with plenty of picatinny slots that offer the shooter maximum versatility when it comes to mounting accessory devices. Unique to this upper receiver, is the free float monolithic rail which is machined together in conjunction with the upper receiver portion of the upper assembly. The monolithic rail presents the user with an extremely versatile single plane rail which eliminates the chance of front mounted accessories being canted or unlevel. The Colt Upper Receiver also features a free-floating barrel which is designed to enhance accuracy and target acquisition.
- Monolithic Rail
- Free-Floating Barrel
- Flat Top Upper
- A2 Flash Hider
- Black Parkerized Finish
- Flip-Up Rear Sight
Note the design of the rear sight may vary as Colt production specifications change. Current uppers are being received with either Magpul or MaTech style adjustable flip-up rear sights.
Made In United States of America
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