Davidson Defense Mutton Chops 11.5-inch Carbine-Gas 1:8 .223 Wylde AR-15 Freefloat Keymod Handguard Pistol Complete Upper Build

Davidson Defense Mutton Chops AR-15 Complete Upper - 11.5-inch, .223 Wylde, Carbine Gas, Freefloat Keymod Handguard

The Davidson Defense Mutton Chops 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 an 11.5-inch government profile barrel in 4140 chrome moly vanadium steel with a nitride finish, a 1:8 twist rate, and a 1/2x28 thread pitch, a freefloat Keymod handguard in black 6061-T6 aluminum, a micro low-profile 0.750 steel carbine gas block, a GI Birdcage flash hider in manganese phosphate 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 charging handle.

Key Features

• 7075-T6 aluminum upper receiver, anodized finish, M4 feed ramps
• 11.5-inch government profile barrel, 4140 chrome moly vanadium, nitride finish
• .223 Wylde
• 1:8 twist rate
• 1/2x28 thread pitch
• Carbine gas system
• Micro low-profile 0.750 steel gas block
• Freefloat Keymod handguard, 6061-T6 aluminum, black
• GI Birdcage flash hider, manganese phosphate, 1/2x28
• 8620 alloy steel bolt carrier group, nitride finish, 5.56 and .223 and .300 and .350 compatible
• Mil-Spec charging handle

Perfect For

• AR-15 builders sourcing a complete .223 Wylde upper with BCG and charging handle included in an 11.5-inch carbine configuration
• Shooters pairing this complete upper with an existing AR-15 lower assembly
• Builders looking for a carbine gas freefloat Keymod complete upper in .223 Wylde

Barrel and Gas System

The barrel is an 11.5-inch government profile unit in 4140 chrome moly vanadium steel with a nitride finish, chambered in .223 Wylde with a 1:8 twist rate and a 1/2x28 thread pitch. The carbine-length gas system pairs with a micro low-profile 0.750 steel gas block to cover the gas regulation side of the upper. A GI Birdcage flash hider in manganese phosphate at 1/2x28 rounds out the muzzle end.

Upper Receiver and Handguard

The upper receiver is 7075-T6 aluminum with an anodized finish and M4 feed ramps, forming the structural core of the upper assembly. The freefloat Keymod handguard is 6061-T6 aluminum in black, surrounding the barrel without contact and providing Keymod mounting positions for compatible accessories.

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. The BCG and Mil-Spec charging handle work together to cycle the action and complete the upper side component set needed to run this complete upper on a lower receiver.

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