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

Davidson Defense Cottonmouth AR-15 Upper 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 upper 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 Unique ARs Slim Rattler 15-inch freefloat handguard in 6061-T6 aluminum with a full-length top Picatinny rail and M-Lok positions at the 6 o'clock position, a micro low-profile 0.75 steel mid-length gas block, and a GI Birdcage flash hider in manganese phosphate at 1/2x28. BCG and charging handle are 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 0.75 steel gas block
• Unique ARs Slim Rattler 15-inch freefloat handguard, 6061-T6 aluminum
• Full-length top Picatinny rail
• M-Lok at 6 o'clock position
• GI Birdcage flash hider, manganese phosphate, 1/2x28
• BCG not included
• Charging handle not included

Perfect For

• AR-15 builders sourcing a 5.56 NATO upper build kit without BCG and charging handle
• Shooters pairing this upper kit with an existing AR-15 lower assembly and their own BCG and charging handle
• Builders looking for a mid-length gas freefloat M-Lok upper build kit in 5.56 NATO

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 0.75 steel gas block, and a GI Birdcage flash hider in manganese phosphate 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 Unique ARs Slim Rattler 15-inch freefloat handguard is 6061-T6 aluminum with a full-length top Picatinny rail and M-Lok attachment positions at the 6 o'clock position along the underside of the handguard.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. BCG and charging handle are not included.