The Sundown 16-inch AR-15 .223 Wylde Complete Upper from Davidson Defense is engineered for reliability and accuracy. It features a tactical match 16" M4 contour barrel made from 4150 chrome moly vanadium steel with a 1:8 twist rate, providing exceptional performance for various ammunition types. The carbine-length gas system ensures optimal cycling, while the micro low-profile gas block and .750 O.D barrel steel construction enhance durability. Constructed from 7075-T6 aluminum, the anodized upper receiver includes M4 feed ramps for smooth feeding.
It comes equipped with an M-Lok handguard in black, featuring ample mounting options for accessories. The upper also includes a mil-spec AR-15 charging handle and a complete bolt carrier group made in the USA, crafted from 9310 and 8620 alloy steel with a nitride finish. Completing the build, the Breek Arms Plan B Scorch 3-prong flash hider minimizes muzzle rise and reduces signature. This complete upper offers a versatile platform for any gunsmith who values freedom.
Caliber: .223 Wylde
Barrel: Tactical Match AR-15 16" M4 Contour .223 Wylde 1:8 Twist Carbine Barrel (Cryo-Treated, Phosphate)
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Thread Pitch: 1/2x28
Barrel Gas System Length: Carbine
Barrel Length: 16-inch
Barrel Finish: Phosphate
Barrel Twist Rate: 1:8
Gas Block Size: 0.75
Gas Block: Micro Low-Profile Gas Block, .750 O.D Barrel Steel
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps, 7075 T6 Aluminum, Anodized
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: Not Specified
Handguard Color: Black
Handguard Style: M-Lok
Charging Handle: AR-15 M4 Charging Handle Mil-Spec Quality
Bolt Carrier: AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group *Made In The USA*
Bolt Carrier Material: 9310 Alloy Steel / 8620 Alloy Steel
Bolt Carrier Finish: Nitride
Muzzle Device: Breek Arms Plan B Scorch 3-Prong Flash Hider
Muzzle Thread Pitch: 1/2x28
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