125 gr. SWC in 32-20, 327 or 32 mag?

Is anyone using either Rim Rock Bullets, Inc. 32 Keith 125 gr. SWC or casting Accurate Molds #31-125H?
How do you like it.

http://rimrockbullets.net/top-shelf-...b-per-500.html

http://www.accuratemolds.com/bullet_...=31-125H-D.png