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Offline cridertj

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rifle crimp?
« on: March 27, 2009, 04:51:46 PM »
Just started reloading my 204 rounds and was reading the die set up book and it said you can crimp them or not .i am loading 32 gr v-max bullets do i really need to crimp them since they don’t have a crimp ring in them?
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Offline bilmac

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Re: rifle crimp?
« Reply #1 on: March 27, 2009, 06:57:07 PM »
No. Crimping is for autos and lever guns. It only adds another variable to the equation. Don't mess with it if you don't have to.
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Offline cridertj

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Re: rifle crimp?
« Reply #2 on: March 28, 2009, 07:14:51 AM »
ok thanks
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Offline cwlongshot

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Re: rifle crimp?
« Reply #3 on: March 29, 2009, 02:22:41 AM »
 Its not that its wrong, it just generally not necessary. but doing so will not hurt a thing and you may actually find it offers an accuracy improvement with some loads.

Good luck,
 CW
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Offline Darrell Davis

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Re: rifle crimp?
« Reply #4 on: March 31, 2009, 05:43:35 AM »
Morn'in shooters,

I started reloading back in the 60s or very early 70s, and have never had a need to crimp rifle ammo.

This is even with the short neck rounds which some folk seem to think are a problem. Rounds such as 30 Gibbs, 300 Savage etc.

On the 30 Gibbs, the fellow who reamed the chamber went long/deep with the reamer, which in turn ment I had an even shorter neck then usual, No Problem.

As a side light to the long chamber on the Gibbs, it also ment I had a slight bit more powder room then is normal for the Gibbs.

In fact, the only time I have had problems with holding a bullet in a rifle neck, was with some new 270 brass.

That was back a good number of years ago, and since then I have always made it a practice to size all new and unfired rifle brass before loading.

NO MORE PROBLEMS and no need to crimp.

Keep em coming!

CDOC
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Offline wncchester

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Re: rifle crimp?
« Reply #5 on: March 31, 2009, 07:28:14 AM »
"reading the die set up book and it said you can crimp them or not"

??
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Offline cridertj

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Re: rifle crimp?
« Reply #6 on: March 31, 2009, 01:37:19 PM »
The book has procedures for setting up the die for crimping and with out
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Offline goodconcretecolor

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Re: rifle crimp?
« Reply #7 on: March 31, 2009, 03:06:21 PM »
I started using a Lee Factory Crimp die on my 30-06 loads (bolt action) a couple of years ago and found that accuracy usually improved with bullets with a cannelure and was no better and often worse with bullets lacking a cannelure. I found in the loads that improved, it made the load less sensitive to other variables. The Lee works differently from other crimping dies by squeezing the mouth with a set up similar to the Lee collet die.
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Offline wncchester

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Re: rifle crimp?
« Reply #8 on: March 31, 2009, 03:45:21 PM »
"The book has procedures for setting up the die for crimping and with out"

The quoted line from the book answered the question.
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Offline cwlongshot

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Re: rifle crimp?
« Reply #9 on: April 01, 2009, 12:49:25 PM »
Quote from: goodconcretecolor on March 31, 2009, 03:06:21 PM
I started using a Lee Factory Crimp die on my 30-06 loads (bolt action) a couple of years ago and found that accuracy usually improved with bullets with a cannelure and was no better and often worse with bullets lacking a cannelure. I found in the loads that improved, it made the load less sensitive to other variables. The Lee works differently from other crimping dies by squeezing the mouth with a set up similar to the Lee collet die.


Bottom line, TRY IT!! 

I don't know of any cannelured 204 bullets, but other calibers definitely have some available.

CW
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Offline Steve P

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Re: rifle crimp?
« Reply #10 on: April 02, 2009, 10:26:22 AM »
If you set up your die to seat the bullet and you cannot move or twist that bullet once seated, I would NOT crimp unless you have a recoiling problem that could seat the bullet deeper, and the 204 AINT got it.

Steve :)
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