The Hallway Watch 7.5-inch AR-15 9MM Pistol Upper Build Kit from Davidson Defense provides essential components for building a reliable firearm. Engineered specifically for 9mm (9x19) caliber, this upper build kit features a 7.5-inch barrel made from durable 4150 CrMoV steel with a phosphate finish and HBAR profile. The barrel has a twist rate of 1:10 and a thread pitch of 1/2x36. Constructed from high-quality materials, the upper receiver is made of anodized billet aluminum, ensuring strength and lightweight performance. It is designed as a dedicated 9mm upper receiver. The handguard, made from 6061-T6 aluminum, features an M-Lok style in a sleek black finish. Included is a 9mm Flash Hider A2 Bird Cage muzzle device, also with a thread pitch of 1/2x36. This kit allows gunsmiths to build a precise and effective 9mm AR-15 upper for personal use.
Caliber: 9mm (9x19)
Barrel Material: 4150 CrMoV
Barrel Thread Pitch: 1/2x36
Barrel Length: 7.5-inch
Barrel Finish: Phosphate
Barrel Profile: HBAR
Barrel Twist Rate: 1:10
Upper Receiver Material: Billet Aluminum
Upper Receiver Finish: Anodized
Upper Receiver Name: Dedicated 9mm Billet Upper Receiver
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Muzzle Device: 9mm Flash Hider A2 Bird Cage
Muzzle Thread Pitch: 1/2x36
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