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