The Windham Weaponry complete AR-15 upper assembly is ready for the addition of any standard optic or rear sight. The highly accurate 16” M4 profile barrel is chrome lined and machined from 4150 chrome moly vanadium steel for complete durability. The machined aluminum flat top upper receiver features a forward assist and ejection port cover. A standard bolt carrier group and charging handle are also included.

Specifications and Features:
5.56 NATO chamber (accepts .223 Remington)6 1x9” Right hand twist
A2 Flash suppressor
Standard A2 front sight
16" Barrel
A2 Style front sight tower
Bayonet lug
Charging handle
Bolt carrier group