TL;DR: the A-3 rear adapter for the GHM9 is well constructed and it's obvious the people of this company are serious about quality additionally the Customer service is second to none.
Alright, so the long version, first thing first, the product: I ordered a rear adapter for my B&T GHM9. the one I received was very well constructed. there were no blemishes or obvious milling marks and was almost exactly what I was looking for.
Unfortunately, and without warning, B&T widened the rear lug and...