Davidson Defense Rock Crawler 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat Keymod Handguard Pistol Complete Upper Build

Davidson Defense Rock Crawler AR-15 Complete Upper - 10.5-inch, 5.56 NATO, Carbine Gas, Freefloat Keymod Handguard

The Davidson Defense Rock Crawler is a 5.56 NATO AR-15 complete upper built around a 6061-T6 billet aluminum slick side upper receiver with a Type 3 Class 2 hardcoat anodized finish. The build includes a 10.5-inch government profile Needle barrel in 416R stainless steel with a polished stainless finish, a 1:7 twist rate, and a 1/2x28 thread pitch, a 10-inch Ultra-Slim freefloat Keymod handguard in black 6061-T6 aluminum, a micro low-profile 0.750 carbine gas block, a GI Birdcage flash hider in manganese phosphate at 1/2x28, a nitride-finished 9310 alloy steel bolt carrier group compatible with 5.56 and .223 and .300 and .350, and an anodized aluminum Mil-Spec M4 charging handle. The slick side billet upper receiver pairs with the Needle barrel and freefloat Keymod handguard to form the complete upper assembly, and the BCG and charging handle work together to complete the upper cycling component set.

Key Features

• 6061-T6 billet aluminum slick side upper receiver, Type 3 Class 2 hardcoat anodized finish
• 10.5-inch government profile Needle barrel, 416R stainless steel, polished stainless finish
• 5.56 NATO
• 1:7 twist rate
• 1/2x28 thread pitch
• Carbine gas system
• Micro low-profile 0.750 gas block
• 10-inch Ultra-Slim freefloat Keymod handguard, 6061-T6 aluminum, black
• GI Birdcage flash hider, manganese phosphate, 1/2x28
• 9310 alloy steel bolt carrier group, nitride finish, 5.56 and .223 and .300 and .350 compatible
• Mil-Spec M4 charging handle, anodized aluminum

Perfect For

• AR-15 builders sourcing a complete 5.56 NATO upper with BCG and charging handle included in a compact 10.5-inch carbine configuration
• Shooters pairing this complete upper with an existing AR-15 lower assembly
• Builders looking for a compact 5.56 NATO complete upper with a polished stainless Needle barrel and slick side billet receiver

Needle Barrel and Gas System

The Needle barrel is a 10.5-inch government profile unit in 416R stainless steel with a polished stainless finish, chambered in 5.56 NATO with a 1:7 twist rate and a 1/2x28 thread pitch. The carbine-length gas system pairs with a micro low-profile 0.750 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 6061-T6 billet slick side upper receiver features a Type 3 Class 2 hardcoat anodized finish and a clean exterior profile without a forward assist or dust cover, forming the structural core of the upper assembly. The 10-inch Ultra-Slim 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 9310 alloy steel with a nitride finish, compatible with 5.56, .223, .300, and .350 platforms. The BCG and anodized aluminum Mil-Spec M4 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.