tryed the s16 last years did not get on with it owned a bsa mk2 supper 10 in 177 found it two pill fussy some of the best precharged rifles i have ever shot are airarms 300-310 400-410 in 177 for downrange acuracy ihave shot most of my life with air rifles most of the time with a 22 with good results changed to 177 about five years ago could be longer and never looked back