Quote Originally Posted by angrybear View Post
Have to ask; did any other rifles use that tube mag system ??

An old school mate of mine had a rifle with the tube on top but I'm sure it didn't have a pistol grip, would have been 1975-77 ish
That may well have been the ASI Sniper repeater, a conventional wood stocked rifle.
I don't know of any other rifles with this layout.