Davidson Defense Left Hook 10.5-inch 1:8 556 AR-15 Drop-In Quad-Rail Handguard Pistol Upper Build Kit

Left Hook 10.5 Inch 5.56 NATO AR-15 Pistol Upper Build Kit with Left Handed Slick Side Upper and Drop-In Quad Rail

The Left Hook AR-15 Pistol Upper Build Kit pairs a Black Diamond Series left handed slick side upper receiver in black with a Bear Creek Arsenal 10.5 inch barrel in 5.56 NATO and .223 Remington and an M4 carbine length drop-in quad rail handguard. The left handed upper receiver uses a slick side profile and comes with an ejection port door, rod, and spring. The Bear Creek Arsenal barrel is 4150 chrome moly vanadium steel with a parkerized finish, an M4 profile, and a 1 in 8 twist rate, and it uses a carbine length gas system. A fixed M4 style front sight base with a sling loop, a stainless steel gas tube, and an A2 birdcage flash hider round out the kit, and BCG and charging handle are not included.

Key Features

• Black Diamond Series left handed slick side upper receiver, black
• AR-15 .223 and 5.56 ejection port door, rod, and spring
• Bear Creek Arsenal 10.5 inch barrel, 4150 chrome moly vanadium steel
• Parkerized finish, M4 profile
• 1 in 8 twist rate
• Fixed M4 style front sight base with sling loop
• Stainless steel gas tube
• M4 carbine length drop-in quad rail handguard, 7 inch, black
• Picatinny quad rail
• A2 birdcage flash hider
• 5.56 NATO and .223 Remington
• BCG and charging handle not included

Perfect For

• Left handed shooters who want a left handed AR-15 pistol upper in one purchase
• Builders who want a slick side upper with a classic front sight base and quad rail layout
• Left handed builders who already have a compatible bolt carrier group and charging handle

Black Diamond Series Left Handed Slick Side Upper

The Black Diamond Series upper receiver is a left handed design in black. It uses a slick side profile without a forward assist. An AR-15 .223 and 5.56 ejection port door with door, rod, and spring is included. The left handed layout suits shooters who run the rifle from the left side.

Bear Creek Arsenal 10.5 Inch Front Sight Base Barrel

The Bear Creek Arsenal barrel is a 10.5 inch barrel made from 4150 chrome moly vanadium steel. It has a parkerized finish, an M4 profile, and a 1 in 8 twist rate, and it runs a carbine length gas system. A fixed M4 style front sight base with a sling loop is part of the barrel setup. A carbine length stainless steel gas tube is included.

Drop-In Quad Rail Handguard

The M4 carbine length drop-in quad rail handguard measures 7 inches and comes in black. It offers Picatinny rails on all four sides for lights, lasers, and grips. The drop-in design suits the fixed front sight base barrel. It gives the front end plenty of accessory space.

A2 Birdcage Flash Hider

The kit includes an A2 birdcage flash hider. It is the classic muzzle device for a 5.56 NATO AR-15. The flash hider matches the front sight base layout of the barrel. It covers the muzzle hardware for the barrel.

Follow safe handling and manufacturer instructions.

Ensure compliance with all applicable federal, state, and local laws.

BCG and charging handle are not included.

Verify compatibility with your lower receiver and bolt carrier group before use.

Inspect all components before use.