i have zoli's serial # 2 450 400 built it shoots sub inch at 25 +50 with open sites fast on target and swings like a hot knife through soft butter and the 450 400 can handle any animal on this planet.i hand load for best results both with hornaday and woodliegh.and i have a 9.3x74R AND a 20 0ver 222 remington with an extra set of 20's yea i like zoli hell they built most of the H+H SIDELOCKS.the 450 400 is a pleasure to carry also