The Model 72A experienced some re-made components, notably a solid lifter; the prior one particular was split. Model 72s experienced no pull-fat adjustment screw as is discovered over the 69As. 22LR, not for that 69A’s .22 S, L, & LR. I assume that this meant the chambering and rifling ended https://highimpactrounds.com/product/winchester-xpert-20-ga-2-75in-6-3-4-oz-1325-fps-game-load-25-rd-box/