The Model 72A had some re-created areas, notably a reliable lifter; the earlier 1 was break up. Model 72s experienced no pull-body weight adjustment screw as is uncovered over the 69As. 22LR, not to the 69A’s .22 S, L, & LR. I think that this intended which the chambering and https://highimpactrounds.com/product/winchester-super-x-308-win-180-gr-pp-2620-fps-20-rd-box/