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Discussion Starter · #1 ·
I have a USC45 that I want to convert to as faithful a UMP45 as possible. I have no problem sending it out to a reputable company or 'smith for the work. I am not interested in cutting corners or doing it on the cheap. It will be used as a defensive weapon and not just a range toy. That being the case, is there a builder, or a few builders who's reputations are such that they are pretty much universally considered go-to's for this conversion? There seems to be no shortage of people and places to send it, but I was wondering who the top-tier converters are.

I appreciate your advice.
 

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T Bostic. There is no better!
This. Both G36 and UMP conversion from Tom - fast, no surprises, outstanding quality and if you decide to sell, his name is worth something - people know it was a quality job. As an aside, I have the full fused G36 but went with the stock block conversion on the UMP and I'm happy with both decisions. Best. Matt
 

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I just dropped my USC off at my LGS with their armorer. While doing my research, I found that Tommy Bostic was highly recommended but I couldn't afford what Tommy charged (I wish I could, he comes highly rated.) When doing the conversion there are 2 ways. 1) Buy a donor stock and have it fused (how Tommy does it) or 2) Buy a stock block and attach that between the existing upper and the new folding stock.

Good luck with your research and having the conversion done.
 

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Discussion Starter · #11 ·
Thanks for all of the advice and your experience. I spent a bunch of time reading about Tommy Bostic's conversions and this seems exactly like who I'd want to do my build. One thing that I might deviate from is the barrel. A cut-and-thread may be the route for me. I don't plan on a can right away, but I will have one for it eventually. It will make a nice primary to my USP45.
 
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