Davidson Defense Black Thorne 16.5-inch Mid-Gas 1:7 .223 Wylde AR-15 Keymod Rifle Upper Build Kit

Black Thorne 16.5-Inch Mid-Gas 1:7 .223 Wylde AR-15 KeyMod Rifle Upper Build Kit

The Black Thorne Upper Build Kit is built around a 16.5-inch .223 Wylde barrel with a mid-length gas system and a 12-inch Trinity Force FW P1812 KeyMod handguard. BCG and charging handle are not included.

Key Features

• 16.5-inch barrel, 4150 steel, Nitride finish, 1:7 twist, .223 Wylde chamber
• Mid-length gas system
• 7075-T6 aluminum upper receiver with M4 feed ramps, anodized finish
• 12-inch Trinity Force FW P1812 KeyMod handguard with anti-rotation tabs
• .223/5.56 Crown muzzle brake, Nitride finish, made in the USA, on 1/2x28 threads with 1/2-inch black crush washer
• BCG and charging handle are not included.

Barrel and Gas System

The 16.5-inch barrel is machined from 4150 steel and finished in Nitride with a 1:7 twist rate and a .223 Wylde chamber, featuring engraved markings. It runs a mid-length gas system through a stainless steel gas tube and a micro low-profile steel gas block with a .750-inch diameter. At the muzzle, 1/2x28 threads carry the included .223/5.56 Crown muzzle brake, finished in Nitride and made in the USA, secured with the supplied 1/2-inch black crush washer.

Upper Receiver and Handguard

The upper receiver is machined from 7075-T6 aluminum with M4 feed ramps and an anodized finish, and it includes the forward assist assembly along with the ejection port door, rod, and spring. It's paired with a 12-inch Trinity Force FW P1812 KeyMod handguard featuring anti-rotation tabs.

Follow all manufacturer instructions and safe handling practices.

Ensure compliance with all applicable federal, state, and local laws.