Davidson Defense Cottonmouth 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Full Build Kit

Davidson Defense Cottonmouth AR-15 Full Build Kit - 16.5-inch, 5.56 NATO, Mid-Length Gas, M-Lok Freefloat Handguard

The Davidson Defense Cottonmouth is a 5.56 NATO AR-15 full build kit built around a 7075-T6 aluminum upper receiver with an anodized finish and M4 feed ramps. The kit includes a 16.5-inch medium profile Satellite barrel in 4150 chrome moly vanadium steel with a nitride finish, a 1:7 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 micro low-profile 0.750 mid-length gas block, a GI Birdcage flash hider at 1/2x28, a nitride-finished 9310 alloy steel bolt carrier group compatible with 5.56 and .223 and .300 and .350, a Mil-Spec M4 charging handle, a SOPMOD style collapsible stock with storage compartments and integrated QD mounts in black, a Mil-Spec heavy-duty 6-position buffer tube, a 3 oz buffer, a recoil spring, an end plate, and a castle nut. Lower receiver not included.

Key Features

• 7075-T6 aluminum upper receiver, anodized finish, M4 feed ramps
• 16.5-inch medium profile barrel, 4150 chrome moly vanadium, nitride finish
• 5.56 NATO
• 1:7 twist rate
• 1/2x28 thread pitch
• Mid-length gas system
• Micro low-profile 0.750 gas block
• Freefloat M-Lok handguard, 6061-T6 aluminum, M-Lok at 6 o'clock position
• GI Birdcage flash hider, 1/2x28
• 9310 alloy steel bolt carrier group, nitride finish, 5.56 and .223 and .300 and .350 compatible
• Mil-Spec M4 charging handle
• SOPMOD style collapsible stock, storage compartments, integrated QD mounts, black
• Mil-Spec heavy-duty 6-position buffer tube
• 3 oz buffer
• Recoil spring
• End plate
• Castle nut
• Lower receiver not included

Perfect For

• AR-15 builders sourcing a complete 5.56 NATO full build kit with mid-length gas
• Shooters pairing this kit with an existing AR-15 lower receiver
• Builders looking for a freefloat M-Lok full build kit in 5.56 NATO with BCG and stock included

Satellite Barrel and Gas System

The Satellite barrel is a 16.5-inch medium profile unit in 4150 chrome moly vanadium steel with a nitride finish. It is chambered in 5.56 NATO with a 1:7 twist rate and a 1/2x28 thread pitch. The mid-length gas system runs through a micro low-profile 0.750 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 9310 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 upper component set.

Stock and Buffer System

The stock is a SOPMOD style collapsible unit with storage compartments and integrated QD mounts in black. The buffer system consists of a Mil-Spec heavy-duty 6-position buffer tube, a 3 oz buffer, and a recoil spring. An end plate and castle nut complete the rear hardware included with this full build kit.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Lower receiver not included.