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Crimping Nosler .223 bullets

 
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  #1  
Old 12-14-2013, 11:03 PM
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Crimping Nosler .223 bullets

I'm reloading .223 for the first time and came across something confusing. I'm loading Nosler 60 gr ballistic tip bullets. The Nosler Reloading Guide says on page 109 "If you are loading for semi-auto and find that crimping the bullet is necessary, we recommend using a taper crimp since there is no crimping groove on any of our .22 caliber products." (Emphasis mine.) The thing is, the Nosler bullets I have DO have a cannelure. Is this a mis-statement in their manual (printed Feb 2013), or am I missing something?
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Old 12-14-2013, 11:32 PM
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Re: Crimping Nosler .223 bullets

I don't load Noslers, never have but here's my take on 223's because I load a BUNCH. 4 of our group have either bolt guns or semi-auto's chambered 223 and I treat all the reloads the same.

I load Hornady 55 grain spire point boat tails that have a cannelure and I also load some Sierra's that dont but I crimp everything anyway.

However, I use a specific caliber crimp die that Lee makes. You can set the cripm pressure for a cannulered pill or a non cannulered pill, your choice.

The crimp is designed to keep the pill from retarding into the case when the rifle cycles (in the case of a gas blowback) but I like to crimp them because a pocketfull of cartridges jouncing around can move the pills as well.

But then, I crimp my 308's and my 338's as well.

Been doing that for a long time now.

Most factory loads are crimped (if you look close at the neck.

That probably is a non answer to your question but with a Lee specific caliber crimp die, it's very easy to crimp a cannulered pill or a non-cannulered pill.
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Old 12-15-2013, 12:05 AM
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Re: Crimping Nosler .223 bullets

Quote:
Originally Posted by SidecarFlip View Post

That probably is a non answer to your question but with a Lee specific caliber crimp die, it's very easy to crimp a cannulered pill or a non-cannulered pill.
That's far from a non answer. I'm a novice reloader and this is the first time I've dealt with crimping. I'm trying to get an understanding of the how's and why's of it.

I have a Lee factory crimp die, is that the die you're referring to?
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Old 12-15-2013, 09:21 AM
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Re: Crimping Nosler .223 bullets

As a general rule, rifle and semi-auto pistols can be taper crimped, and revolvers can be roll-crimped (there is typically a channel in the bullet to allow roll-crimping).

The cannelure on the 60gr NBT should help displace a tiny bit of material to make your taper crimp more robust, but you definitely don't need to really squish the case neck on there - a "normal" taper crimp is fine. As Flip said, you can taper crimp bullets without a cannelure as well.

I'm not sure if what you read in the Nosler manual is a matter of semantics or if it is an error, but regardless it shouldn't effect what you do - load 'em up and if you feel the need crimp them and you will be fine.

Your lee factory crimp die should do the job nicely.
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Old 12-15-2013, 09:53 AM
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Re: Crimping Nosler .223 bullets

Quote:
Originally Posted by trophyhusband View Post
That's far from a non answer. I'm a novice reloader and this is the first time I've dealt with crimping. I'm trying to get an understanding of the how's and why's of it.

I have a Lee factory crimp die, is that the die you're referring to?
No. I don't use Lee dies for bottleneck cartridges but yours will work fine. I use a Lee specific caliber crimp die that just crimps and nothing else. I use RCBS or Redding or Wilson die sets.

At my age a and arthritic fingers, it's hard for me to seat a pill for loading with the pill on the underside of the die (conventional bullet seating) so I like the RCBS front load seater dies because you 'drop in' the pill in the front of the die and seat it. The RCBS and the Redding both have micrometer seater plugs that set bullet depth consistently and repeatedly and the Wilsons can be used without a press at all. Handy for range loads, similar to the Lee Classic Loader but much more accurate in sizing and seating.

Everyone is/was a novice at one thime and a lot of the information in reloading manuals, especially the information written in the front chapters, tends to 'beat the drum' for that particular company, when in fact, there is little difference between manufacturers and procedures..... Which is also why I have numerous reloading manuals and compare loads across all of them.

The crimp operation (depth/severity of crimp) is entirely dependent on you and how you set the press/die for crimp so it will behoove you 'practice' getting the desired crimp depth/severity.

I tend to use bullet specific manufacturers loading manuals, like Sierra or Joyce Hornady or Speer, Nosler or Berger when loading their specialty pills. They all have professional, paid, on staff ballisticians (I'd love to have one of those jobs) that do nothing but test the company's bullets in load combinations to find the best mix for publishing.
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  #6  
Old 12-15-2013, 10:29 AM
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Re: Crimping Nosler .223 bullets

Crimping seems puzzling to me. Had alot of bad experience with crimping .40 SW, blewup 3 pistols. Know I don,'t crimp at all. I mite suggest you color or smoke a reload and start with just a kiss. If your denting or crushing the bullet - is too much. My $ .02 worth. Go slow , good luck.
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  #7  
Old 12-15-2013, 01:36 PM
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Re: Crimping Nosler .223 bullets

Quote:
Originally Posted by varmintH8R View Post
The cannelure on the 60gr NBT should help displace a tiny bit of material to make your taper crimp more robust, but you definitely don't need to really squish the case neck on there - a "normal" taper crimp is fine. As Flip said, you can taper crimp bullets without a cannelure as well.

Your lee factory crimp die should do the job nicely.
I was under the impression that a "taper crimp" and a "factory crimp" are a little different. Is that the case or are they the same thing?
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