The Model 72A experienced some re-designed parts, notably a strong lifter; the prior a single was split. Model 72s experienced no pull-excess weight adjustment screw as is identified around the 69As. 22LR, not for that 69A’s .22 S, L, & LR. I assume that this intended that the chambering and https://highimpactrounds.com/product/winchester-super-x-12ga-2-75in-1oz-6-lead-shot-1290fps-25-rd-bx/