2,000 rounds per minute out of a single barrel. Let’s let that sink in…. 2000 RPM!
Serbu posted this video a while back showcasing their “Q22SMG2”, a simple blow-back design that feeds from Ruger magazines. Its a design that is reminiscent of the old grease guns.
At the very least, this design proves the Ruger mags will feed anything or at least feed the gun fast enough.