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Old September 24, 2021, 11:20 PM   #1
74camaroman
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Removing primer crimps?

Does anyone here use a three or six bladed countersink to remove primer crimps?
Just for my information! That is all I have ever used and I even have an RCBS primer pocket swager but I find the countersink works better, just wondering if anybody else finds the countersink easier and better!! Thanks. 74camaroman
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Old September 24, 2021, 11:27 PM   #2
nhyrum
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Not a counter sink, but my Lyman little multi tool thing comes with a reamer that will cut them out. I don't think that's what it was designed for, but works great. Until I started bulk processing 223... Although, I could not slow that process down too. Don't have the primers to load like I used to when I bought the swager for my 650

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Old September 25, 2021, 07:12 AM   #3
edfardos
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i use both the rcbs pocket swager and the lyman deburr/camfer tool (just a touch). great results.
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Old September 25, 2021, 07:40 AM   #4
USSR
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Dillon Super Swage 600 is your friend.

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Old September 25, 2021, 07:49 AM   #5
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these

Primer Pocket Reamers
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Old September 25, 2021, 08:10 AM   #6
Joe-ker
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Debur/ chamfer tool did them here until I got a power reamer. Worked fine. Fingers just got tired
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Old September 25, 2021, 06:03 PM   #7
Reloadron
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Reaming you remove dome metal and swaging you move some metal. Either method works fine. Most of the time I just ream with my case prep center but I started with a #2 Phillips screwdriver. Obviously motor driven is quicker and easier. A countersink works just fine. I choose based on how many I plan to prep.

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Old September 26, 2021, 10:40 AM   #8
totaldla
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Quote:
Originally Posted by hounddawg View Post
I have one of those for small primers. Terrible product. Very difficult to keep aligned so that it doesn't cut into the pocket sidewall. I would not recommend it to anyone. A lathe center or 3/8" body 6 flute countersink from McMaster Carr is a better solution.
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Old September 26, 2021, 11:06 AM   #9
hounddawg
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Quote:
Terrible product. Very difficult to keep aligned so that it doesn't cut into the pocket sidewall.
I have been using a similar pair that came with a Lyman hand tool for about 10 years now. I don't do that much LC brass, at a guess maybe 1000 cases in those ten years. I just use LC in my gas guns but I normally get 10 plus reloads from cases before I lose or trash the cases for one reason or the other. Near as I can tell the tool self self centers. I use mine with a cordless drill and it takes about 5 Seconds per pocket then I use a primer GO/NOGO gage to check each one for a snug but doable fit. I can't recall ever cutting ito a sidewall or at least to the point where the NOGO gage would fit. Sometimes I have to redo the cut to get the GO gage in though. All in all it saves me a lot of hassle when initially priming LC cases
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Old September 26, 2021, 11:44 AM   #10
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I can see both scenarios occurring depending on whether you are able to float the case to self-align or try to keep it rigid. The reamer you get for the Wilson trimmer does the cleanest and best-centered reaming job I've seen, but that is mechanical alignment at work. Otherwise, it is a bit hard on the cutter-turning fingertips after a while. I've been spoiled by the Dillon 600.
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Old September 26, 2021, 12:04 PM   #11
hounddawg
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I honestly don't think crimp removal has to be one of those areas where precision counts for much. As long as my GO/NOGO gage says it is good to go my primers seem to be happy enough. But then like I said, LC brass is some good stuff but I won't ever use anything that has ever been ran through a gas gun in my bolt rifles. Rims get bent, necks tweaked etc. Whether that primer pocket has a bit more chamfer on one side or the other is the least of the issues
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Old September 27, 2021, 12:46 PM   #12
Average Joe
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I do, works fine, and is faster.
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Old September 28, 2021, 01:20 AM   #13
armoredman
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I use the RCBS pocket swager and it works most of the time. I am wiling to bet I have it wrong because failure rate is high, but for years I didn't worry about it due to, as you guessed, a seemingly inexhaustible supply. Whoops. I honestly never thought about using the chamfer tool to take care of that.
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Old September 28, 2021, 10:19 AM   #14
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I use the RCBS crimp remover tool chucked up in my drill. you cant take out too much.
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