went to the range today took my handi 223 thought i would try 62 grn russian ammo in it the silver bear key holed real bad .the wolf was not accurate also. when the barrel heated up wolf ammo they were a little hard to eject.i have been shooting 55 grn bullets reloads in my gun shoots real good my ar15 likes the 62 grainer's so that is what i will shoot them in.nice day no wind.going to go back thursday with my 45-70 if i feel good enough.