This optics ready carbine upper assembly from Anderson Manufacturing is a great option for completing your modern sporting rifle. Ready to pin to any standard AR15 lower, the assembly has a flat top receiver with Picatinny rail, standard A2 handguard and flash hider, and a 16" M4-profile barrel with 1:8" twist. A standard charging handle and bolt carrier group are included.

Specifications and Features:
5.56 NATO (accepts .223 Remington)
7075-T6 forged aircraft grade aluminum receiver, mil-spec hard anodized
16" M4 profile barrel
1:8" twist
Mil-Std 1913 Picatinny rail on receiver and gas block
A2 handguard
A2 flash hider
Standard charging handle
Standard BCG
Black