The Draxxed 20-inch AR-15 5.56 NATO rifle upper build kit from Davidson Defense is engineered for gunsmiths who value precision and durability. Constructed with a 20-inch H-Bar profile barrel made from 4150 Chrome Moly Vanadium, this kit features a 1:7 twist rate for optimal projectile stability. The phosphate finish on the barrel ensures resilience against wear and environmental factors. The upper receiver is crafted from high-strength 7075-T6 aluminum and anodized for corrosion resistance. A black M-Lok handguard, made from 6061-T6 aluminum, provides a lightweight yet robust platform for accessories. This kit includes a micro low-profile gas block and a 1/2x28 TPI GI birdcage flash hider, both designed for effective performance. Easy to assemble, this upper build kit offers everything a gunsmith needs for reliable operation in any shooting scenario.
Caliber: 5.56x45mm NATO
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Thread Pitch: 1/2x28
Barrel Length: 20-inch
Barrel Finish: Phosphate
Barrel Profile: H-Bar
Barrel Twist Rate: 1:7T
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Gas Block Size: 0.750
Gas Block Name: Micro Low-Profile Gas Block
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider
Muzzle Thread Pitch: 1/2x28
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