I have i knight Wolvarine mk-57 for sale. It is the 50. cal model with the percussion cap ingnition. It comes with a tasco straight 4 power scope and rings. I have hunted with this gun for some time now, and the reason i am selling it is b/c i got a new t/c omega. this gun is in perfect condition. i am asking 150 for it all. If interested please call me at 606-305-6314