The Model 72A had some re-developed components, notably a good lifter; the prior one particular was break up. Model 72s experienced no pull-pounds adjustment screw as is discovered about the 69As. 22LR, not for your 69A’s .22 S, L, & LR. I believe this intended that the chambering and rifling https://highimpactrounds.com/product/winchester-xpert-20-ga-2-75in-6-3-4-oz-1325-fps-game-load-25-rd-box/