ok i have looked high and low for the stock Measurements on my 112 bvss 300 winn mag.i am wanting a shilen replacement barrel in the same contour but i am not close to the gun to messure it and will not be for a few weeks.any help will be very helpfull thanks. i wanting to go from 300 wm to 25-06 ai. i no i have to change bolt head also.