The Falas 16.5-inch AR-15 complete upper build from Davidson Defense is engineered for the 5.56 NATO caliber, combining lightweight construction with durable materials for optimal performance. It features a medium-profile barrel made from 4150 Chrome Moly Vanadium steel, finished with a nitride treatment, and has a 1:7 twist rate for improved accuracy. The mid-length gas system ensures reliable cycling, while the 1/2x28 thread pitch enables compatibility with suppressors.
The upper receiver is made from 7075-T6 aluminum and anodized for enhanced durability. It is equipped with a Mil-Spec AR-15 M4 charging handle and a Recoil Technologies bolt carrier group made from 9310 alloy steel, also nitride finished. The free float extended quad rail handguard, crafted from lightweight aluminum and finished in black, allows for easy attachment of accessories. This complete rifle upper is ideal for gunsmiths seeking versatility and performance in their builds.
Caliber: 5.56x45mm NATO
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Thread Pitch: 1/2x28
Barrel Length: 16.5-inch
Barrel Gas System: Mid-Length
Barrel Finish: Nitride
Barrel Profile: Medium
Barrel Twist Rate: 1:7T
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Charging Handle: Mil-Spec AR-15 M4 Charging Handle
Bolt Carrier Material: 9310 Alloy Steel
Bolt Carrier Finish: Nitride
Bolt Carrier Name: Recoil Technologies 5.56x45mm Bolt Carrier Group
Handguard Style: Free Float Extended Quad Rail
Handguard Material: Aluminum
Handguard Color: Black
Gas Block Size: 0.750
Gas Block Name: Recoil Technologies Micro Low-Profile Gas Block for .750 O.D Barrel Steel
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