EK0446B: ArmaLite M-15A4 LEC 16"
5.56 M4 Upper - Chrome Lined 1:9 Twist
The M-15A4 LEC Carbine Complete Upper Assembly with standard height A2 front
sight features, a chrome lined barrel with M203 step down. The Picatinny Rail on
the Flat Top Upper receiver allows rapid and repeatable interchange of removable
iron or scope sights.
Each ArmaLite Complete Upper Assembly includes a forged
upper receiver assembly, barrel assembly, bolt carrier group and charging handle
assembly. All complete upper assemblies are test fired as complete rifles before
shipping.
Model: Commercial ISP Carbine Upper Assembly
Caliber: .223/5.56 X 45 mm NATO
Barrel: 16" Chrome Lined Chrome Moly Vanadium MIL-B-11595-E with
M203 Step Down
Rifling Twist: RH: 1:9"
Muzzle Device: A2 Flash Suppressor, Threading: 1/2"-28RH
Front Sight Base: A2 Front Sight Assembly
Upper Receiver: Forged Aluminum A3 Flattop with Picatinny Rail, 7075-T6
Finish: Hard Anodized Aluminum, Manganese Phosphated Steel
Handguard: Standard A2 Carbine - Slim Style w/ Heat Shield