I have an air and arms pro elite .177 at 12 ft lbs, bsa super ten .177 at 12 ft lbs and a FAC daystate x2 prestige .22 at 35ft lbs. A maximum of 30 yards with a .177 at 12ft of lbs and further with a 35ft lbs.I would not recomend a springer as its best to get at least two rounds in the rabbits head precharge Pneumatic all the way.