I'm coming into this kind of late but it's a shame Colt didn't carry forward with the 400 Colt. It may not have been a big seller but then again, who knows? The 401 and 41 mags weren't big sellers but are both solid performers.

I have a 401 Powermag and love it. The guns are well made, strong and mine is accurate. I have an LBT mold for a 240 grain WLN, an Arsenal mold for a 200 grain SWC and a Mountain Mold 160 grain SWC. I just got the 160 grain mold and haven't had a chance to work with any bullets in that weight yet. I've also tried several 41 mag cast bullets resized to .403 from 220 to 280 grains. Mine has shot them all well. I've yet to find a bullet it doesn't like.

wheeler45, if you get a chance to pick up a 401, they're a lot of fun. Brass can be made from 41 mag without to much difficulty and brass can be found on GB fairly often.