The Sundown 16-inch AR-15 .223 Wylde Rifle Upper Build Kit combines precision and reliability for shooters seeking flexibility in their firearm setup. This kit features a Tactical Match AR-15 barrel with a 16-inch M4 contour design, crafted from 4150 Chrome Moly Vanadium material and treated with phosphate for durability. The 1:8 twist rate enhances accuracy, and the carbine gas system ensures reliable cycling.
Included is the Breek Arms Plan B Scorch 3-Prong Flash Hider, made from 4140 hardened steel with a nitride finish, effectively reducing muzzle flash. The upper receiver is constructed from 7075 T6 aluminum with an anodized finish for strength and corrosion resistance. The handguard uses an M-LOK style in sleek black, providing ample space for attachments. This rifle upper build kit is designed for gunsmiths and enthusiasts who value craftsmanship and performance in .223 Wylde configurations.
Rifle Upper Build Kit: Sundown 16-inch AR-15 .223 Wylde Rifle Upper Build Kit
Barrel: Tactical Match AR-15 16" M4 Contour .223 Wylde 1:8 Twist Carbine Barrel (Cryo-Treated)
Barrel Length: 16-inch
Caliber: .223 Wylde
Barrel Twist Rate: 1:8
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: Phosphate
Barrel Thread Pitch: 1/2x28
Barrel Gas System Length: Carbine
Gas Block Size: 0.75
Barrel Profile: M4 Contour
Muzzle Device: Breek Arms Plan B Scorch 3-Prong Flash Hider
Muzzle Thread Pitch: 1/2x28
Muzzle Material: 4140 Hardened Steel
Muzzle Finish: Nitride
Upper Receiver: AR-15 Upper Receiver
Upper Receiver Material: 7075 T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: N/A
Handguard Style: M-LOK
Handguard Color: Black
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