Spikes Tactical Complete Upper Receiver 223 Rem/5.56 NATO AR Rifles – 16″ CHF Barrel, Mid-Length Gas, Front Sight (STU5435-MLS)

• Complete upper receiver assembly provides ready solution for AR rifle configurations
• Features 16 inch FN hammer forged barrel with 1:7 twist rate
• Mid length gas system enhances reliability and smoother recoil operation
• Includes A2 front sight base pinned for fixed sighting configuration
• Supplied with phosphate M16 bolt carrier group for dependable cycling
• Compatible with AR rifles chambered in 223 Remington and 556 NATO

The Spike’s Tactical Complete Upper Receiver 223 Rem/556NATO 16″ FN Hammer Forged Barrel is a complete AR upper receiver designed for use on AR rifle platforms.

This model features a forged upper receiver paired with a 16 inch FN hammer forged barrel and a 1:7 twist rate suitable for 223 Remington and 5.56 NATO ammunition. It incorporates a mid-length gas system and includes a pinned A2 front sight base along with an A2 flash hider. The assembly comes with a phosphate M16 bolt carrier group and is finished in black. This complete upper receiver includes a fixed front sight post and is configured for standard AR rifle compatibility. In typical setups, the Spike’s Tactical Complete Upper Receiver is used for range use or rifle builds requiring a factory-tested upper assembly with consistent construction and verified function.