Doublestar Upper Hbar A3 16

Get increased accuracy and better heat dissipation in a compact 16 carbine package with our 5.56x45 NATO HBAR Contour upper from Double Star. This upper is complete except for the bolt carrier group and charging handle and features an F-marked front sight bayonet lug sling swivel 1:9 twist M4 feed ramps. The flattop rail is T-Marked to allow for consistent optics placement. Standard handguards with heat shields.