Spike's Tactical AR-15 Complete Upper Assembly .223 Rem/5.56mm NATO 14.5" Pinned Mid-Length Gas System 13.2" Bar2 Quad Rail Flattop Upper Dynacomp Black STU5050-RD3

Spikes Tactical
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Spike's Tactical creates quality parts, uppers, and complete rifles. Each component is manufactured to Mil-spec standards and are backed by the Spikes Tactical lifetime warranty. This particular upper receiver features a 14.5" pinned cold hammer forged chrome-moly vanadium mil-spec barrel with a 1:7" twist rate. It also features a mid-length gas system with a Spikes Bar2 quad rail, and the Spike's mil-spec M16 bolt carrier group.

Specifications and Features:
Spikes Tactical Upper Receiver STU5050-RD3
5.56mm NATO (accepts .223 Remington)
14.5" Pinned (meets 16" OAL) Lightweight LE Barrel
Cold hammer forged, Chrome-moly vanadium mil-spec barrel
1:7" Twist
Mid-Length gas system
Low profile .750" diameter gas seat
Spikes Tactical mil-spec M16 bolt carrier group
Spike's Tactical Bar2 13.2" quad rail
Dynacomp Extreme Pinned
Upper receiver is 7075-T6 forged flattop
Made in the USA