Spikes Tactical Complete Upper Receiver 223 Rem/5.56 NATO AR Rifles – 16″ Barrel, 1:7 Twist, Quad Rail (STU5025-R9S)

• Complete upper receiver assembly provides ready to install solution for AR rifle builds
• Features 16 inch chrome lined barrel with 1:7 twist for versatile ammunition use
• Forged upper receiver construction ensures durability and structural integrity under use
• Includes phosphate M16 bolt carrier group for reliable cycling performance
• Equipped with quad rail handguard for mounting accessories on multiple positions
• Compatible with AR rifles chambered in 223 Remington and 556 NATO

The Spike’s Tactical Complete Upper Receiver is a complete upper assembly designed for AR-15 rifles chambered in 5.56 NATO and .223 Remington. This complete upper receiver includes a 16 inch chrome lined barrel with a 1:7 twist rate and a flat top receiver. It is intended for installation on compatible AR rifle lower receivers.

The Spike’s Tactical Complete Upper Receiver features a forged upper receiver, quad rail handguard, and a phosphate finished M16 bolt carrier group. It is categorized under complete upper receivers and finished in black. The 16 inch barrel follows an M4 profile and supports standard AR-15 configurations. In practical use, this complete upper is used as a ready-to-install assembly for AR rifle builds. The included bolt carrier group allows integration with the lower receiver and buffer system for standard firearm operation.