Winchester .22Lr Xperts and Wildcats with lot numbers containing the letters XN, YA, YB or YC are being recalled. they have been loaded with a double powder charge. They are dangerous to shoot like this and can damaged your gun. according to winchester If your box is recalled you can gett a refund by sending them to: Olin Corporation- Winchester Division Tile Warehouse Powder Mill Road, Gate 4A East Alton, IL 62024 Attention: 22LR Recall Basspro sent the warning through the mail to recent buyers from their stores. I had a box of 500 that were recalled. Go check yours!