My Omega .50 likes 2 777 pellets and most of the 200-300gr. bullets, shockwaves, XTP's, SST's and the Cheapshot hollowpoints with either the black sabots or the yellow SG sabots. Actually it shoots most bullet/sabot combinations pretty well with the 2 50gr (100gr) 777 pellets. The thing it does not like is any of the PowerBelts. I haven't tried any other conical type bullets. It is basically a sabot rifle, although maybe some conicals will work, just haven't had a need to try them. I shoot PRB's and Maxi-Balls out of my carbine sidelock when I use it.