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Posted: 12/12/2012 5:12:13 AM EDT
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Hello,
I set my dillon 550b up for 9mm last night, and ive got once fired mixed brass from a indoor range. What i ran into was federal cases have a crimp in some. Is that a normal thing? Is it just federal cases? Please help Thanks Bob |
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Quoted:
Hello, I set my dillon 550b up for 9mm last night, and ive got once fired mixed brass from a indoor range. What i ran into was federal cases have a crimp in some. Is that a normal thing? Is it just federal cases? Please help Thanks Bob I added the site.... http://www.midsouthshooterssupply.com/item.asp?sku=000449481 |
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It's not necessarily military brass. I am seeing more and more commercial brass with crimped primers. A military case will have a manufacture code and most have a year stamp. If you find crimped brass that has the caliber stamped on it than most likely it is commercial. I got a batch of Remington .223 brass this summer that has crimped primers. This is the first time I saw Rem. with them. Federal has been making commercial .223 brass with crimped primers for a while as do other manufactures.
I think it is due to the popularity of the AR and other auto's. It may be some how cheaper for them to just "crimp it all" too. Who knows. |
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Inspect your cases after tumbling. Sort out the crimped cases. You probably have some NT, non toxic cases, that have crimped primers. If you want to load them, remove the crimp. The Hornady crimp reamer is about $9 and can be chucked in a drill. http://www.midwayusa.com/product/253550/hornady-primer-pocket-reamer-cutter-head-small |
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Not all chinwester cases are crimped. I will say that their cases tend to be thin walled and can have bullet crimp issues without the Lee FCD, particularly if fired from a 9mm AR. I just throw them all away, not worth reaming. Dillon does have a swaging tool that accomplishes the same task.
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Quoted:
Quoted:
Hello, I set my dillon 550b up for 9mm last night, and ive got once fired mixed brass from a indoor range. What i ran into was federal cases have a crimp in some. Is that a normal thing? Is it just federal cases? Please help Thanks Bob I added the site.... http://www.midsouthshooterssupply.com/item.asp?sku=000449481 That won't work with the 55b Dillon. OP'd have to go buy a single stage & do them one at a time! (kinda defeats having the Dillon). OP - the Dillon 1050 features a primer pocket swager in station 2 of 7. |
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Quoted: I use a dillon crimp die. I have 2 large usps flate rate boxes to sort. Are there any others to look for with crimped primers? Also what is the best way to tell they are crimped or not. Thanks Bob Look up in FAQ's for a pic of crimped primers. Pic is 223, but 9mm will look the same. Crimp is easier to see after case has been decapped. |
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It's a mixed bag any more. While there isn't A LOT of 9mm cases being crimped, there is indeed enough that it forces you to look and check them all out.
As far as Winchester is concerned, most of the Win that I have gathered has nice rolled off edges on the primer pockets. So priming them is a piece of cake. Some of the Federals and a few others are crimped. One other that is irritating is the S&B 9mm. Although it isn't technically crimped, it is very squared off on the edges of the pocket. So if your alignment isn't almost perfect, it will hang a little and can really mess up your rhythm. So I usually swage them. I have the RCBS swage tool for the single stage press, but the stripper ring has to come down to the inside of the base of the press around the entire circumference of the shaft. That was a problem on my Lee Challenger because the primer catch box had sides that extended out to interfere with that. Check your press for clearance before getting one of these. 
So I also use the RCBS powered prep center thing. It's handy and does a good job but still not ideal. 
Then I finally broke down and got the Dillon Super Swage. Now this is the ticket. Just put a case on the thing, rotate it down, and then cycle the lever once. Problem solved. And it's easy to get a rhythm set up while watching TV so you can just churn right through the cases in no time at all, seemingly. 
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