Davidson Defense Overlander 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit

Overlander 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-LOK Pistol Upper Build Kit

The Overlander is a 5.56 NATO AR-15 Upper Build Kit built around a compact 10.5-inch carbine-length gas platform. The kit centers on a 10.5-inch government profile barrel in 416R stainless steel with a polished stainless finish, 1:7 twist rate, and 1/2x28 thread pitch, paired with a GI A2 birdcage flash hider and a black 1/2-inch crush washer. A 0.750 gas block and a carbine-length gas tube are included on the front end. The upper receiver is a USA-made 6061 slick side billet design in 6061-T6 aluminum with a Type III Class 2 hardcoat anodized finish and an anti-rotation cutout, paired with a 10-inch freefloat M-LOK handguard in 6061-T6 aluminum. BCG and charging handle are not included.

Key Features

• 10.5-inch government profile barrel, 416R stainless steel, polished stainless finish, 1:7 twist, 1/2x28 thread pitch
• Carbine-length gas system
• Carbine-length gas tube
• 0.750 gas block
• GI A2 birdcage flash hider, 1/2x28, black crush washer included
• USA-made 6061 slick side billet upper receiver, 6061-T6 aluminum, Type III Class 2 hardcoat anodized, anti-rotation cutout
• 10-inch freefloat M-LOK handguard, 6061-T6 aluminum
• BCG and charging handle not included

Perfect For

• Builders sourcing a compact 5.56 NATO AR-15 upper build kit with a polished stainless 416R barrel and USA-made slick side billet upper, pairing it with their own bolt carrier group and charging handle
• Shooters building a 10.5-inch carbine-gas pistol platform who prefer to select their own BCG while having the stainless barrel, flash hider, and slick side billet upper covered in one kit
• AR-15 builders who want a 416R stainless government profile barrel and 10-inch freefloat M-LOK handguard without sourcing components separately

Barrel and Muzzle Device

The 10.5-inch government profile barrel is chambered in 5.56 NATO and constructed from 416R stainless steel with a polished stainless finish. The twist rate is 1:7 and the thread pitch is 1/2x28, which matches the included GI A2 birdcage flash hider. A black 1/2-inch crush washer and a 0.750 gas block paired with a carbine-length gas tube cover the front end gas configuration on this carbine-length platform.

Slick Side Billet Upper Receiver and Handguard

The USA-made 6061 slick side billet upper receiver is 6061-T6 aluminum with a Type III Class 2 hardcoat anodized finish and an anti-rotation cutout. The slick side design removes the forward assist housing from the upper receiver body for a clean exterior profile. The 10-inch freefloat M-LOK handguard is 6061-T6 aluminum with M-LOK attachment points along the body for accessory mounting. These two components define the exterior structure of the upper assembly on this AR-15 platform.

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