Bryant @ Defense Tech writes about his experience testing the H&K USC .45 carbine
During demonstration firings of the weapon here at Blackwater USA’s training grounds, Military.com was invited to shoot up some targets using the Kriss and, for comparison, H&K’s USC .45 carbine.
Though another submachine gun might have made for a better assessment, TDI obviously was comfortable with the H&K choice for the purpose of evaluating recoil. The Kriss certainly won out, though the H&K did not give a severe kick either, and TDI chief operating officer Chuck Kushell acknowledged his competitor made a fine weapon.
More here.