Originally Posted by K1500
From Ballistics by the inch:

Delta Elite 10mm (5")
180 gr JHC BB 1,374 fps
175 gr STHP WW 1,209 fps

S&W M57 .41 Mag (4")
180 gr DPX CB 1,221 fps
175 gr STHP WW 1,108 fps

S&W M 29 .44 mag (4")
240 gr HS FED 1,094 fps
200 gr GDHP SPEER 1,009 fps

S&W 686 .357 mag (4")
158 gr HS FED 1,248 fps

Looks like the 10mm is at or near the top of the heap when compared to any revolver caliber with a 4" barrel (which is equivalent to a 5" auto after accounting for chamber length).



I have chrono'ed the BB and older Remington 240 grain loads at 1400 FPS. The loads you list above are in the 44 special high end range. The 357 loads you list are not at low as well from my own chronographed results of other ammo.


I got banned on another web site for a debate that happened on this site. That's a first