Glad you have enough comprehension to post this in a black powder forum. fftopic:
andy said:no .22's dont penetrate vests. Not even the "solid" .22 mag rimfire will do so, from a rifle barrel, Threat level II or better vest. A mere 3-4 layers of Kevlar stops .22 pistol bullets, and only 2-3 layers more are needed to stop .22 rifle bullets. A level II vest has 18 layers.