"left the
muzzle at about 1,400 fps. It is a marked +P+ round and will
batter most semiautomatic pistols to death with continued use.
They are intended for use in Glock 9mm autos, and shoot flat
to 100yds in my Glock model 34."

1442 fps 10 shot average from a 5" Ser70 GM. It would also feed in a postwar P-38, but shooting more than a few rounds seemed unwise to me. I would use with caution in any aluminum frame auto.