The LAZR 18-inch AR-15 6MM ARC Rifle Upper Build Kit from Davidson Defense offers a comprehensive solution for gunsmiths looking to craft a precision upper receiver. This kit features an 18-inch 6mm ARC barrel made from durable 4150 CrMoV material, with a nitride finish for increased longevity. The barrel has a medium profile and a twist rate of 1:7.5, optimizing performance for a variety of ammunition. Designed with a mid-length gas system and a micro low-profile gas block, this upper ensures reliability in cycling. Manufactured from aerospace-grade materials, the upper receiver is constructed from 7075 T6 aluminum and finished with anodization for corrosion resistance. The free float quad rail handguard, made from aircraft-grade aluminum and finished in black, allows for easy attachment of accessories. The kit is completed with a birdcage flash hider, accommodating a 5/8x24 muzzle thread pitch, making it a well-rounded option for serious enthusiasts.
Caliber: 6mm ARC
Barrel Material: 4150 CrMoV
Barrel Thread Pitch: 5/8x24
Barrel Gas System: Mid-Length
Barrel Length: 18-inch
Barrel Finish: Nitride
Barrel Profile: Medium
Barrel Twist Rate: 1:7.5T
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: Aircraft-Grade Aluminum
Handguard Color: Black
Handguard Style: Free Float Quad Rail
Gas Block Name: Micro Low-Profile Gas Block
Gas Block Size: 0.750
Muzzle Device: Birdcage Flash Hider
Muzzle Thread Pitch: 5/8x24
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