The LAZR 18-inch AR-15 Upper Build Kit from Davidson Defense is tailored for gunsmiths who appreciate freedom and precision. Features include an 18-inch barrel made from durable 4150 CrMoV steel with a nitride finish, offering a government profile and a 1:7 twist rate. This upper is chambered for the 5.56x45mm NATO round, ensuring reliable performance. The rifle-length gas system complements the barrel, while the 0.750 diameter accommodates the Recoil Technologies Micro Low-Profile Gas Block and a 1/2x28 thread pitch. Constructed from 7075-T6 aluminum and anodized for a sleek look, the upper receiver provides durability and lightweight characteristics. A 15" free float quad rail handguard made from aircraft-grade aluminum is included, allowing for modular attachments. The package completes with a GI Birdcage flash hider to minimize muzzle flash. This upper build kit is an optimal choice for those seeking quality and functionality in their next AR-15 project.
Platform: AR-15
Caliber: 5.56x45mm NATO
Barrel Length: 18-inch
Barrel Material: 4150 CrMoV Steel
Barrel Finish: Nitride
Barrel Profile: Government
Twist Rate: 1:7
Barrel Thread Pitch: 1/2x28
Barrel Gas System Length: Rifle
Color: Black
Size: 0.750
Gas Block Name: Recoil Technologies Micro Low-Profile Gas Block
Gas Block Size: 0.750
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Name: 15" Free Float Quad Rail for AR-15
Handguard Material: Aircraft-Grade Aluminum
Handguard Style: Free Float
Handguard Color: Black
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider 5.56 .223 A2
Muzzle Thread Pitch: 1/2x28
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