Q LLC Sugar Weasel Upper 300BLK 13"

You've asked for it and they've made you wait long enough. Q LLC is finally offering individual upper receiver assemblies. Designed as a replacement upper for your standard Sugar Weasel or for whatever Frankenstein build you can think of. These uppers come in two variations a 13" 1/2-28 threaded, tapered 1:7 twist 5.56 barrel and a 13", 5/8-24 threaded, tapered 1:6 twist .300 Blk barrel both with their adjustable gas block in a pistol length gas system. Specifications: Barrel Length: 13" Twist: 1:6 Thread: 5/8x24 Caliber: 300 BLK Upper Receiver Color: FDE Rail Color: Grey Muzzle: Tapered Cherry Bomb Muzzle Brake