.25 ACP for a couple of Berettas
.30 Luger, for, . . . , yep, a Luger.
.30 Carbine for a Blackhawk
.32 ACP for a Savage 1907
.32-20 for a Colt Police Positive
.32 S&W, .32 S&W Long, and .32 H&R Mag, for a S&W 'I' Frame, and a Ruger Single Six
.380 ACP for a Husqvarna 1907 (modified from it's original chambering of 9mm Long)
9mm for another Luger, a S&W 9 2.0, and a 1911 that I don't care for.
.38/.357 mag for a plethora of revolvers, both DA and SA
.45 ACP for two 1911's and a Ruger Blackhawk
.45 Colt for Two Ruger Blackhawks