Davidson Defense Cottonmouth 223 16-inch Carbine-Gas 1:8 .223 Wylde AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build

Davidson Defense Cottonmouth 223 AR-15 Complete Upper - 16-inch, .223 Wylde, Carbine Gas, M-Lok Freefloat Handguard

The Davidson Defense Cottonmouth 223 is a .223 Wylde AR-15 complete upper built around a 7075-T6 aluminum upper receiver with an anodized finish and M4 feed ramps. The build includes a 16-inch M4 contour barrel in 4150 chrome moly vanadium steel with a phosphate finish and cryo treatment, a 1:8 twist rate, and a 1/2x28 thread pitch, a freefloat M-Lok handguard in 6061-T6 aluminum with M-Lok positions at the 6 o'clock position, a 0.75 carbine gas block, a GI Birdcage flash hider at 1/2x28, a nitride-finished 8620 alloy steel bolt carrier group compatible with 5.56 and .223 and .300 and .350, and a Mil-Spec M4 charging handle.

Key Features

• 7075-T6 aluminum upper receiver, anodized finish, M4 feed ramps
• 16-inch M4 contour barrel, 4150 chrome moly vanadium, phosphate finish, cryo-treated
• .223 Wylde
• 1:8 twist rate
• 1/2x28 thread pitch
• Carbine gas system
• 0.75 gas block
• Freefloat M-Lok handguard, 6061-T6 aluminum, M-Lok at 6 o'clock position
• GI Birdcage flash hider, 1/2x28
• 8620 alloy steel bolt carrier group, nitride finish, 5.56 and .223 and .300 and .350 compatible
• Mil-Spec M4 charging handle

Perfect For

• AR-15 builders sourcing a complete .223 Wylde upper with BCG and charging handle included
• Shooters pairing this complete upper with an existing AR-15 lower assembly
• Builders looking for a freefloat M-Lok complete upper in .223 Wylde

Barrel and Gas System

The barrel is a 16-inch M4 contour unit in 4150 chrome moly vanadium steel with a phosphate finish and cryo treatment. It is chambered in .223 Wylde with a 1:8 twist rate and a 1/2x28 thread pitch. The carbine gas system runs through a 0.75 gas block, and a GI Birdcage flash hider at 1/2x28 is included at the muzzle.

Upper Receiver and Handguard

The upper receiver is 7075-T6 aluminum with an anodized finish and M4 feed ramps. The freefloat M-Lok handguard is 6061-T6 aluminum with M-Lok attachment positions at the 6 o'clock position, providing a mounting surface for compatible accessories along the underside of the handguard.

Bolt Carrier Group and Charging Handle

The included bolt carrier group is 8620 alloy steel with a nitride finish, compatible with 5.56, .223, .300, and .350 platforms. A Mil-Spec M4 charging handle is included as part of the complete upper component set.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.