Alex Wheeler
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Primer pocket depths is another. Just worked through this with a customer. Seating to a hard stop was causing bad fliers. I had a lot of federal primers that varied .008" in overall height. Thats a lot of variation. No matter the tool, if you want to seat to a hard stop everything must be sorted and batched accordingly and the tool adjusted to maintain crush. A consistent depth below flush is only desirable if the pocket depths and primer heights are all the same to ensure consistent crush. I do have a lot of customers that use a tool that seats to a hard stop. But they put in a lot of work to measure and sort everything to be successful at it. If your not willing to do all that your far better off seating by feel in my opinion.There is about a $300 add on to the primal rights unit that can be purchased. Another manufacturer. This will allow you to seat primers by a dial indicator. No need to measure primer height. Seating by varied crush can be achieved. While the above referenced unit works, it is slow in comparison. All other primer seaters, ugly base cps and rcbs with hollands upgrade seats by coming to a hardtop. Absolutely no difference. Rim thickness and primer variation are the 2 issues with a hardstop device. They simply won't work. You have 2 choices..the least expensive being the above reference unit K&M. The other is the F Class products upgrade for the primal rights unit. While most rims are close, 10 out of 50 pcs of brass will be .004 to .005 off 1 way or other.











