Build your perfect modern sporting rifle with this complete AR-15 upper from Stag Arms. The anodized aluminum receiver features a 16" chrome lined M4 profile barrel and carbine length gas system. This upper assembly comes complete with bolt carrier group and charging handle. It is equipped with a 13.5" Diamondhead VRS-T hand guard and Diamondhead flip-up sights.

Specifications and Features
Stag Arms SA3HTM
5.56 NATO (also accepts .223 Remington)
Carbine length gas system
Anodized aluminum receiver
16" 4140 steel chrome lined M4 profile barrel with manganese phosphate finish
1:9" twist
13.5" Diamondhead VRS-T hand guard
Diamondhead flip up sights
Black