Check www.omersub.com for further details.
excalibur 3000 seemed particullarly good to me because of its elliptical shaped carbon barell and probably does not cost as much as C4, it has integrated shaft guide as well to its tube.
excalibur 3000 seemed particullarly good to me because of its elliptical shaped carbon barell and probably does not cost as much as C4, it has integrated shaft guide as well to its tube.