I believe the one I saw mounts on the press kind of like a tower.
Yeah, it was the rock chucker unit i saw.If you mean one of these: RCBS Automatic Bench Priming Tool
![]()
I have one. Very, very nice tool. The tube swinging forth and back seems strange, but it isn't nearly so awkward as it looks.
If you mean one of these: RCBS Rock Chucker Supreme Auto Prime
![]()
I dunno. The sliding bar idea is an old one, and should work well enough.



























