The Pack Leader 16-inch AR-15 5.56 NATO Rifle Upper Build Kit from Davidson Defense is engineered for durability and reliability. This complete build kit features a premium 16-inch heavy profile barrel made from 4150 CrMoV steel, finished with a nitride coating for added protection. The barrel has a 1:7 twist rate, a 1/2x28 thread pitch, and operates on a carbine gas system, ensuring consistent performance with 5.56x45mm NATO ammunition. The Davidson Defense stripped upper receiver is constructed from robust 7075 T6 aluminum and anodized for longevity. Complementing the upper is a black 6061-T6 aluminum handguard that provides a modular platform for accessories. It includes a Recoil Technologies micro low-profile gas block and a Phase 5 Weapon Systems Inc "Izzy" flash hider. This kit serves as a reliable choice for gunsmiths looking to build a versatile AR-15 upper.
Caliber: 5.56x45mm NATO
Barrel Material: 4150 CrMoV
Barrel Thread Pitch: 1/2x28
Barrel Gas System: Carbine
Barrel Length: 16-inch
Barrel Finish: Nitride
Barrel Profile: Heavy
Barrel Twist Rate: 1:7T
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Gas Block Size: 0.750
Gas Block Name: Recoil Technologies Micro Low-Profile Gas Block
Upper Receiver Name: Davidson Defense Stripped Upper Receiver
Muzzle Device: Phase 5 Weapon Systems Inc Bushmaster "Izzy" Flash Hider
Muzzle Thread Pitch: 1/2x28
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