The Model 72A had some re-intended components, notably a stable lifter; the prior just one was split. Model 72s experienced no pull-pounds adjustment screw as is identified over the 69As. 22LR, not for your 69A’s .22 S, L, & LR. I presume that this meant that the chambering and rifling https://highimpactrounds.com/product/winchester-super-x-308-win-180-gr-pp-2620-fps-20-rd-box/