So I’ve been in need of a BP Compression die for when I load blank loads and when I want to slightly compress a BP load before seating a booliet. So I took a spare Lee Universal Decapping Die and converted it into a BP Compression Die. I took a 3/8” X 3” bolt and machined the hex head to just fit into a .45 Colt case. I used my drill press and a course metal file to do the work. Even smoothed out the head of the hex. Then I took a 3/8” hex nut and rounded it by using my bench grinder. Then I took my dremel with a cutting blade and placed a slot at the bottom of the bolt so a small flat head could turn it. Then I used super glue and fixed the rounded hex head nut onto the bolt in the position that I needed. On the Universal Die, I removed the adjustment nut and de-priming pin and tapped the universal die for the 3/8” bolt threads. Inserted the modified bolt and secured it with a jam nut on top of the Die. From what I can tell so far, I think it’s gonna work just fine. Progression photos are below.
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