It wasn't a manufacturing facility difficulty for that model. Maybe Imaginative crafting of a normal inventory. Pictures would assistance to ascertain the appx calendar year your rifle was made. 44 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-suppressed-300-blk-200-gr-otr-1060-fps-20-rd-box/