Hi folks just acquired a nice single shot .22 s400 extra FAC, with power turned up it is producing around 28 ftlbs what pellet would you guys recommend, have tried BIS MAGS and AA DIABLO FIELD both performed pretty well (the AA's just have the accuracy) are there any others I should consider, I ask ...

Also forgot to mention I am a southpaw and the s300 is ambidextrous stocked and the s410 is a leftie!
I am gonna convert one or the other, I am leaning more towards the longer higher shot capacity s300
What are the opinions of my fellow shooters?

I am currently trying to decide whether to convert my AA s300 .22 single shot rifle or my AA s410 .22 carbine to fac? Which would you convert, im looking to acheive around 25ft.lbs would you go lower shot count magazine s410 or higher shotcount single shot s300 (p.s. I have relevant slot on my FAC, ...