It was not a factory issue for that model. Maybe Innovative crafting of an ordinary inventory. Photos would enable to ascertain the appx year your rifle was made. forty four 22LR, not for your 69A’s .22 S, L, & LR. I assume this intended that the chambering and rifling had https://highimpactrounds.com/product/winchester-super-x-16-ga-2-75-in-6-1-oz-1165-fps-game-load-25-rd-box/