This complete AR-15 upper assembly from Odin Works features a 18" Odin Works 416R stainless steel barrel chambered for .223 Wylde, which accepts both 5.56 NATO and .223 Remington ammunition with improved accuracy for both calibers. The forged upper comes complete with an XCR eXtended Charging Handle and bolt carrier group with mil-spec bolt and nitride finished carrier. The rifle-length gas system includes an Odin adjustable gas block with 20 clicks of adjustment. The upper is equipped with a free floating 15.5" KeyMod forend and continuous Picatinny rail at the 12 o'clock position. Just pin on your completed lower receiver and stock assembly for the ultimate modern sporting rifle.

Features and Specifications:
Caliber: .223 Wylde/.223 Remington/5.56 NATO
Forged aluminum upper receiver
18" button rifled 416R stainless steel barrel
1:8" twist
Muzzle threaded 1/2-28 with threat protector
Rifle length gas system
Adjustable Odin gas block
Black nitride bolt carrier
Mil-Spec bolt
eXtended Charging Handle
Odin dust cover
15.5" free floating KeyMod hand guard
Continuous top Picatinny rail
Black
Ships Assembled