I lent a custom receiver "clamp" and barrel clamp to the "Galvinator" and his barrel was very tight compared to mine. You can see my clamp and barrel tools in this thread:   (You need to Login
Because his barrel was so much tighter and he did not strip the receiver of the gate/Magazine door the driving pin caused undue pressure and broke off the lug the door mounts on. He has since repaired the receiver and using another clamp reinstalled his barrel. He sent me photos, but I may not have the story completely straight. He is intending to post the details soon so watch for his reply. I will email the galvinator and make him aware of your question.


If you see something on Ebay it could be first class and well thought out or something that you will regret buying or trying to use.
If you want to post a link to the tools in question we can offer comments.

Jason,
Galvinator emailed back and will have time to post later this week. As a teaser I will include one of his photos. His is split also so it will go over any obstacles on the barrel.
His is made from a split shaft collar, costs less than $15.00, I think his was shimmed and bored to the correct size then the wrenching flats were added and a tapped hole for the "drive" screw.

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