Spike's Tactical 5.56 Carbine AR-15 Complete Upper Receiver Group - 12" M-LOK Rail - 16"

The Spike's Tactical 16-inch 5.56 Carbine Complete Upper offers the same level of quality and performance available in all their rifles. Spike’s Tactical maintains a high standard of tolerances and attention to detail in the uppers they use for complete rifle builds. Every complete upper is test fired before leaving their facility and is backed by the Spike's Tactical lifetime warranty. The 12" M-LOK handguard features a lightweight design, plenty of M-LOK slots, and even comes with rail panels installed. This complete AR-15 upper receiver group is perfect to start off your next build.

Features:

• 7075-T6 forged aluminum upper receiver. 
• Forward assist and ejection port door.
• 16" 5.56 NATO, cold hammer forged, Optimal profile barrel with carbine length gas system.
• 41V50 chrome moly vanadium steel with phosphate coating.
• Chrome lined to M249 SAW specifications.
• 1/2x28 thread pitch with a 1:7 twist rate.
• M4 feed ramps.
• 12" Mid-length CRR M-LOK handguard.
• Standard charging handle