The LAZR 18-inch Rifle-Gas 5.56 NATO AR-15 Rifle Complete Upper Build offers a robust platform for precision shooting. It features an 18-inch, Government Profile barrel made of 4140 Gun Steel, with a nitride finish and a 1:7 twist rate, optimizing performance for 5.56x45mm NATO ammunition. The upper receiver is constructed from 7075-T6 aluminum with an anodized finish, ensuring durability and resilience. The free float quad rail handguard, measuring 15 inches in length and made from 6061-T6 aluminum, allows for versatile mounting options.
A micro low-profile gas block complements the rifle-length gas system for reliable cycling. The upper is equipped with a Breek Arms Plan B Scorch 3-Prong flash hider that minimizes muzzle flash, improving shooting accuracy. With a complete bolt carrier group made from 8620 alloy steel and a stainless steel gas tube, this upper build is engineered for precision and reliability in the field.
Caliber: 5.56x45mm NATO
Barrel Length: 18-inch
Barrel Material: 4140 Gun Steel
Barrel Twist Rate: 1:7
Barrel Thread Pitch: 1/2x28
Barrel Profile: Government
Barrel Finish: Nitride
Barrel Gas System Length: Rifle
Color: Black
Upper Receiver: AR-15 Upper Receiver
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Style: Free Float Quad Rail
Handguard Length: 15-inch
Handguard Color: Black
Gas Block: Micro Low-Profile Gas Block
Gas Block Size: 0.750 O.D
Muzzle Device: Breek Arms Plan B Scorch 3-Prong Flash Hider
Muzzle Thread Pitch: 1/2x28
Gas Tube Material: Stainless Steel
Gas Tube Length: Rifle-Length
Bolt Carrier: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
Bolt Carrier Material: 8620 Alloy Steel
Bolt Carrier Finish: Nitride
Charging Handle: AR-15 M4 Charging Handle
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