Hey crgator:
Yes, I own the straight line capper, and it does what it is supposed to very well. However; it is limited as to the # of caps it holds. Therefore after shooting a few rounds you have to stop and reload the little capper, and on a cold day that can be a chore in its self.
This got to be annoying to me after a bit, so, I went to the Snail type capper, which holds 75 or more caps. It works very well with Colt type Revolvers.
4B