Spikes Tactical 14.5" Lightweight 5.56/.223 DynaComp Upper Receiver

Specifications: Spike's Tactical M4 flat top upper receiver, Machined from a 7075 T6 Mil-Spec Forging with Mil-Spec Type III Hard coat Anodized finish, T-markings, Spike’s logo and M4 feed ramps. Barrel is certified MIL-B-11595E CMV. Bolt & barrel are HPT/MPI tested, M4 barrel extension, Chrome chamber and bore, 5.56mm Nato chamber, 1:7 Twist, Magnetic particle testing on every barrel, Phosphate finish. Lightweight (Pencil) Profile with Mid-length gas system. Barrel is Phosphate finished under the .625 F marked A2 front sight base. The M16 carriers are Chrome lined with a Mil-Spec phosphate finish. Forged Mil-Spec carrier key, Chrome lined, attached with Grade 8 hardware and Properly staked. HP/MP Tested Bolt, Each extractor is fitted with a Mil-Spec black insert and Mil-Spec Viton o-ring. Magpul MOE heat shield lined black handguards. Pinned Spike's Tactical DyanComp Muzzle Break.