Davidson Defense Iron Guard 10.5-inch 1:8 5.56 NATO AR-15 Drop-In Quad-Rail Pistol Upper Build Kit

Iron Guard 10.5 Inch 5.56 NATO AR-15 Pistol Upper Build Kit with Bear Creek Arsenal Front Sight Base Barrel and Drop-In Quad Rail

The Iron Guard AR-15 Pistol Upper Build Kit pairs a black anodized 7075-T6 aluminum flat-top AR-15 upper receiver with a Bear Creek Arsenal 10.5 inch 5.56 NATO barrel and an M4 carbine length drop-in quad rail handguard. 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. It features a fixed A2 style front sight base with a sling loop, a stainless steel gas tube, and an A2 birdcage flash hider. The upper receiver comes with a forward assist and an ejection port door with rod and spring, and BCG and charging handle are not included.

Key Features

• AR-15 flat-top upper receiver, 7075-T6 aluminum, black anodized
• M4 feed ramps and Picatinny top rail
• AR-15 forward assist
• AR-15 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 A2 style front sight base with sling loop
• Stainless steel gas tube
• M4 carbine length drop-in quad rail handguard, 7 inch, black
• A2 birdcage flash hider
• 5.56 NATO
• BCG and charging handle not included

Perfect For

• AR-15 pistol builders who want a retro inspired front sight base upper with quad rail space in one purchase
• Builders who already have a bolt carrier group and charging handle on hand
• Shooters who want a fixed front sight base with a built in sling point

Flat-Top Upper Receiver with Forward Assist and Ejection Port Door

The upper receiver is a flat-top 7075-T6 aluminum receiver with a black anodized finish and M4 feed ramps. It features a Picatinny top rail for optics and a rear sight. An AR-15 forward assist is included. An AR-15 .223 and 5.56 ejection port door with door, rod, and spring rounds out the receiver side.

Bear Creek Arsenal 10.5 Inch Front Sight Base Barrel

The Bear Creek Arsenal barrel is a 10.5 inch 5.56 NATO 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 A2 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 AR-15 M4 carbine length drop-in quad rail handguard measures 7 inches and comes in black. It offers accessory rails on all four sides for lights, lasers, and grips. The drop-in design suits the fixed front sight base barrel. It gives the classic layout 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 retro inspired look of the front sight base 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.