I have fit 115gr slug in the mag.. slugs I cast myself.. the 110gr pellets fit just fine u just have to shake the mag a little to get the skirt of the pellet inside the cap .. I would recommend the heavy hammer.. I've got this gun up to 230fpe with 145gr slugs but u have to single load themI saw some comments saying that slugs over 110 grains can't fit into the magazine. Can these 110-grain AEA pellets fit into the magazine? If they can only be single-loaded, it would be too inconvenient.