Top Pick Davidson Defense Wall of Fire 18-inch AR-15 6MM ARC Rifle Upper Build Kit

Details

The Wall of Fire 18-inch AR-15 6MM ARC Rifle Upper Build Kit from Davidson Defense is engineered for durability and precision. This build kit features an 18-inch medium-profile barrel crafted from 4150 CrMoV steel, finished with a nitride treatment for enhanced longevity. The barrel has a twist rate of 1:7 and a mid-length gas system, compatible with standard AR-15 lower receivers, ensuring reliable performance during various shooting conditions. The upper receiver is made from robust 7075-T6 aluminum and comes with a hard anodized finish for added protection. A micro low-profile gas block with a size of 0.750” is included, along with a GI birdcage flash hider to minimize muzzle rise. The handguard utilizes M-Lok technology for versatile accessory mounting. This build kit is ideal for gunsmiths who seek a reliable, high-performance upper for their AR-15 platform, delivering accurate results shot after shot.

Specifications

Caliber: 6mm ARC

Barrel Material: 4150 CrMoV

Barrel Thread Pitch: 5/8×24

Barrel Gas System: Mid-Length

Barrel Length: 18-inch

Barrel Finish: Nitride

Barrel Profile: Medium

Barrel Twist Rate: 1:7

Upper Receiver Material: 7075-T6 Aluminum

Upper Receiver Finish: Anodized

Gas Block Size: 0.750

Gas Block Name: Micro Low-Profile Gas Block

Muzzle Device: GI Birdcage Flash Hider

Muzzle Device Finish: Manganese Phosphate

Muzzle Thread Pitch: 5/8×24

Handguard Style: M-Lok

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