To show you how far out of the loop I can get, I bring you the Wolf A1 Complete Upper Receiver which is an import of the Taiwanese T91 upper which fits to any standard AR lower.
Wolf Ammo told me this piston upper has been around since 2017. It uses a short stroke piston combined with a T91 handguard and charging handle.
Offered in 12.5″ and 14.5″ versions from various retailers.
The people’s 416.
AIM Surplus has been selling that thing for years.
Yes, that’s the point of saying it’s been around since 2017.
SSD is one of the only places where they are willing to admit they don’t know everything, and that there are things they have missed. This post reminds me I’ve wanted one of those Wolf uppers for a long time.