Works good in the 10mm Glock 40.
Must burn pretty hot to be cutting an FA frame.
DF
My understanding is the concern is about throat erosion more than cutting the frame. It's kind of old news though (came out maybe 10 years ago IIRC?) so I've forgotten the specifics. Lil'Gun does work great in the 300 Blk though.
DF, are you thinking of Longshot in the 10mm, or Lil'Gun? I've honestly never tried Lil'Gun in the 10mm since it's in the same general burn rate as H110 which is too slow.
