The Black Horizon 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit from Davidson Defense combines precision engineering with robust materials for reliable performance. The 16.5-inch barrel, made from 4150 Chrome Moly Vanadium steel, features a QPQ Nitride finish for increased durability and longevity. With a medium profile and a twist rate of 1:7, this barrel delivers optimal stability for various ammunition types. The mid-length gas system ensures consistent cycling while reducing recoil.
The upper receiver is crafted from lightweight aircraft-grade aluminum, finished in black anodized for corrosion resistance. The free-float M-Lok handguard allows for versatile attachments and customization. This build kit includes a standard AR-15 1/2x28 TPI GI Birdcage flash hider, completing a setup that is both functional and adaptable for any gunsmith seeking reliable performance in their firearm projects.
Caliber: 5.56x45mm NATO
Barrel Length: 16.5-inch
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: QPQ Nitride
Barrel Profile: Medium
Barrel Twist Rate: 1:7T
Barrel Gas System Length: Mid-Length
Barrel Thread Pitch: 1/2x28
Gas Block Size: 0.75
Upper Receiver Finish: Black Anodized
Handguard Material: Aircraft-Grade Aluminum
Handguard Color: Black
Handguard Style: Free Float M-LOK
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider
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