The Davidson Defense Falas 16.5-inch AR-15 5.56 NATO Rifle Upper Build Kit is crafted for the discerning gunsmith seeking a lightweight, durable, and modular upper assembly for suppressor-ready applications. This kit features a 16.5-inch medium-profile barrel made from 4150 Chrome Moly Vanadium steel, finished with a robust nitride treatment for increased wear resistance. The barrel’s twist rate is 1:7T, and it has a thread pitch of 1/2x28, making it ideal for a variety of muzzle devices.
The mid-length gas system ensures smooth operation, paired with a micro low-profile gas block for streamlined compatibility. The upper receiver is constructed from 7075-T6 aluminum and anodized for corrosion resistance. A free float extended quad rail handguard in black provides ample attachment points for accessories, ensuring full modularity. This upper build kit is a reliable choice for those who prioritize performance and freedom in the field.
Caliber: 5.56x45mm NATO
Barrel Length: 16.5-inch
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: Nitride
Barrel Profile: Medium
Barrel Twist Rate: 1:7T
Barrel Thread Pitch: 1/2x28
Gas System: Mid-Length
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Color: Black
Handguard Style: Free Float Extended Quad Rail
Gas Block Size: 0.750
Gas Block Name: Micro Low-Profile Gas Block
Buffer Tube Kit: Not Specified
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