Description
Details
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
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.
Specifications
Platform: AR-15
Caliber: .223 Wylde
Barrel Length: 11.5-inch
Barrel Material: 4140 CrMoV
Barrel Thread Pitch: 1/2x28
Barrel Finish: Nitride
Barrel Profile: Government
Barrel Twist Rate: 1:8
Gas System Length: Carbine
Gas Block Size: 0.750
Gas Block Name: Micro Low-Profile Gas Block
Gas Block Material: Steel
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Upper Receiver Name: AR-15 Upper Receiver, M4 Feed ramps
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: Freefloat KeyMod
Charging Handle: AR-15 Mil-Spec Charging Handle
Bolt Carrier Material: 8620 Alloy Steel
Bolt Carrier Finish: Nitride
Bolt Carrier Name: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 1/2x28
Muzzle Finish: Manganese Phosphate




