Davidson Defense LAZR 18-inch Rifle-Gas 5.56 NATO AR-15 Rifle Complete Upper Build, Plan B Sentinel Caged Flash Hider

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Description
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The LAZR 18-inch Rifle-Gas 5.56 NATO AR-15 Complete Upper Build provides a robust platform for performance-driven shooters. It features an 18" 5.56 NATO government profile barrel made from 4140 gun steel, with a 1:7 twist rate and a nitride finish for improved durability. The upper receiver is constructed from anodized 7075-T6 aluminum, equipped with M4 feed ramps for reliable feeding. Complementing this build is a free float quad rail handguard made from black 6061-T6 aluminum, allowing for accessory customization.

The rifle-length gas system ensures reliable cycling, paired with a micro low-profile gas block. The build incorporates a Breek Arms Plan B Sentinel Caged Flash Hider, designed with closed-tine technology for superior flash suppression. The assembly also includes a mil-spec AR-15 M4 charging handle and a complete bolt carrier group made from 9310 alloy steel, finished in nitride for added resilience. This upper build is engineered for reliability and accuracy in various shooting conditions.

Specifications

Caliber: 5.56x45mm NATO

Barrel Length: 18-inch

Barrel Material: 4140 Gun Steel

Barrel Twist Rate: 1:7

Barrel Finish: Nitride

Barrel Profile: Government

Barrel Thread Pitch: 1/2x28

Barrel Gas System Length: Rifle

Gas Block Size: 0.750

Muzzle Device: Breek Arms Plan B Sentinel Caged Flash Hider

Muzzle Device Details: Closed-tine, fully shrouded (caged) for superior flash suppression

Muzzle Thread Pitch: 1/2x28

Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps, 7075 T6 Aluminum, Anodized

Upper Receiver Material: 7075-T6 Aluminum

Upper Receiver Finish: Anodized

Handguard Material: 6061-T6 Aluminum

Handguard Style: Free Float Quad Rail

Handguard Color: Black

Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality

Bolt Carrier: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group

Bolt Carrier Material: 9310 Alloy Steel

Bolt Carrier Finish: Nitride

Gas Block: Micro Low-Profile Gas Block, .750 O.D Barrel Steel

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Davidson Defense LAZR 18-inch Rifle-Gas 5.56 NATO AR-15 Rifle Complete Upper Build, Plan B Sentinel Caged Flash Hider

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