The Polish Capper arrived on Wednesday. 7 days for shipping from Europe isn't too bad.
This is a well made piece of equipment. I's all CNC machined brass with a plastic plunger that is 3D printed. I tried it right away on all 4 of my 1858 models and it worked very well on all of them. Yesterday I got out a file and reduced the size of the head a small amount until it would fit on Colt style cylinders. It didn't take much work to get it fit the 1860 and 1851. The only major drawback I found is that this thing can't be made to fit pocket size Colt models, the head that applies the cap is just too big and thick.
I ran about 50 caps through it and never had a problem, it fed a cap and applied it to the nipple every time. Today I tried a bunch of different caps in it and the capper handled them all perfectly. Then I filled the capper up until it wouldn't hold anymore. 160 #10 Remington caps was the limit. Even with it stuffed full it fed the caps pretty well but it took a couple shakes to get the first 5 or 6 caps to feed. Once there was more room for the caps to move inside the hopper they fed easily by tilting the capper down the back up again. 150 caps would be the best load for it even though more will fit.
I think the Polish Capper might turn out to be a good investment for me. With hands like mine from woodworking and hand sewing leather I can barely hang on to a percussion cap and place it on a nipple. I usually drop 3 of them before I get one in place. This will hopefully eliminate that problem for me.
The cap tins in the photo are all the types I tried out. I even had some pretty old ones to try.
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Remington
Colt
The business end is heavy duty and won't bend or distort.
The Polish Capper is a little expensive but I don't think it's overpriced for what it is. Ted Cash snail cappers are $27 and are stamped from brass sheet goods. The Polish Capper is heavy machined brass and is priced at approximately $49, a little less than double the price of a Cash capper. Polish Capper holds 50% more caps than the Cash capper and both need to be modified to use them on both Remington and Colt revolvers.
I haven't used one in the field yet so I may have to revise my opinion but right now I don't have any buyer's remorse.