ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER - BLACK

Upgrade your AR-15 build with the Always Armed Octo Series 16" 5.56 NATO Upper Receiver. Precision-engineered and 100% Made in the USA, this complete upper assembly combines rugged Mil-Spec reliability with a durable Type III Hard Coat Black Anodized finish for long-lasting corrosion and wear resistance.

Built on a forged Mil-Spec 7075 T6 aluminum upper receiver equipped with a functional dust cover and forward assist, this upper features a 16" 4150 steel barrel with a 1:7 twist rate and a protective Black Nitride finish. Chambered in 5.56 NATO, the 1:7 twist rate provides superior bullet stabilization across a wide range of projectile weights for optimal range accuracy.

The upper operates on a smooth carbine-length gas system paired with a .750 low-profile gas block, all housed beneath a full-length 15" Free-Float Octo Series M-LOK Handguard. Featuring a continuous top Picatinny rail and M-LOK attachment slots for grips, lights, and optics, this upper is completed with a standard A2 Flash Hider. (Note: Bolt Carrier Group and Charging Handle sold separately).

Key Features & Included Components:

• Made in the USA: High-quality American manufacturing and materials
• Upper Receiver: Mil-Spec Forged 7075 T6 Aluminum with Dust Cover & Forward Assist
• Barrel Specs: 16" 4150 Steel, 1:7 Twist Rate, Black Nitride Finish (Chambered in 5.56 NATO)
• Gas System: Carbine-Length Gas System with .750 Low Profile Gas Block
• Handguard: 15" Octo Series Free-Float M-LOK Rail System
• Finish: Type III Hard Coat Black Anodized
• Muzzle Device: Standard A2 Flash Hider
• Compatibility: Fits standard Mil-Spec AR-15 lower receivers