I purchased a BSA Ultra from Pickering air guns late last year bit of a spur of the moment purchase very impressed by the quality and appearance of the Gun, I bought the gun home purchased three different types of pellet and set about zeroing and testing the pellets, I found that the magazine did not always cycle? And the pellets did not always provide a tight group? I took this to a local gun room Kent Wool Growers (kwg) we tested the zero with and without a silencer and then simply hand loading the pellets. Hand loading the pellets worked fine a good group was achieved however with the mag