The VKTR VK-1 Complete AR-15 Upper Receiver in 5.56 with a 10.5" barrel represents the pinnacle of AR-15 engineering. This upper features VKTR's patented low-profile piston system, offering a cleaner and more reliable shooting experience compared to traditional direct impingement systems. The thermal-fit receiver eliminates heat-related point of impact shifts, ensuring consistent accuracy. A precision-machined one-piece bolt carrier with an enhanced cam path provides shot-after-shot consistency. The 15-slot upper receiver rail creates a continuous 12 o'clock Picatinny mount, optimizing accessory space while reducing overall weight. This complete upper is ideal for those seeking a compact, high-performance AR-15 platform.

Features and Specifications:

• Caliber: 5.56 NATO (compatible with .223 Remington)
• Barrel Length: 10.5" cold hammer forged, QPQ nitride finish
• Twist Rate: 1:7"
• Gas System: Patented VK-1 low-profile piston system
• Upper Receiver: Forged aluminum with thermal-fit technology
• Handguard: 9.85" M-LOK compatible
• Bolt Carrier Group: One-piece patented design with enhanced cam path
• Charging Handle: Radian Raptor ambidextrous
• Muzzle Device: A2 flash hider (1/2"x28 thread)
• Finish: Black Cerakote
• Includes: Complete upper receiver, bolt carrier group, charging handle