Davidson Defense Blackstar 16-inch Carbine-Gas 1:10 7.62x39mm AR-15 M-Lok Handguard Rifle Upper Build Kit

Blackstar 16-Inch Carbine-Gas 1:10 7.62x39mm AR-15 M-LOK Handguard Rifle Upper Build Kit

The Blackstar Upper Build Kit is built around a 16-inch 7.62x39mm "Sagger" HBAR barrel with a carbine-length gas system and a 15-inch Series A Slant-Pro free-float M-LOK handguard. BCG and charging handle are not included.

Key Features

• 16-inch "Sagger" HBAR barrel, 7.62x39mm, Enhanced Phosphate finish
• Carbine-length gas system
• 7075-T6 aluminum upper receiver with M4 feed ramps, black anodized finish
• 15-inch Series A Slant-Pro free-float M-LOK handguard, flat top with quad rail front
• Integrated QD mounts and anti-rotation tabs, oblong lightweight cutouts
• .308 standoff muzzle brake, .30 caliber rated, on 5/8x24 threads with 5/8-inch black crush washer
• BCG and charging handle are not included.

Barrel and Gas System

The 16-inch "Sagger" barrel is built in a heavy HBAR profile with an Enhanced Phosphate finish, chambered for 7.62x39mm. It runs a carbine-length gas system through a stainless steel gas tube and a micro low-profile steel gas block with a .750-inch diameter, matched to the barrel's .750-inch gas journal. At the muzzle, 5/8x24 threads carry the included .308 standoff muzzle brake, rated for .30 caliber, secured with the supplied 5/8-inch black crush washer.

Upper Receiver and Handguard

The upper receiver is machined from 7075-T6 aluminum with M4 feed ramps and a black anodized finish, and it includes the forward assist assembly along with the ejection port door, rod, and spring. It's paired with a 15-inch Series A Slant-Pro free-float M-LOK handguard featuring a flat top with a quad rail front section, integrated QD mounts, anti-rotation tabs, and oblong lightweight cutouts.

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