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You've asked for it and we've made you wait long enough. We're 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. This upper receiver is paired with a 13", 1/2-28 threaded, tapered 5.56 barrel and our adjustable gas block with carbine length gas system.
DOES NOT INCLUDE BOLT CARRIER GROUP.