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What did you do today in the reloading room?

The 0.027" you measured is not your chambers freebore. There is a lot more to the measurement than that.

But your measurement is still useful for distance to the lands.
You are technically correct but for my simple purposes it's the term that I use and I don't mean to mislead anybody. I'm not into benchrest shooting, turning necks, weighing each empty case, etc and getting too long in the tooth to get down in the weeds on the technicalities of it.
 
Starting to get stuff in for the UBR score matches this summer.

So far I've got 15 pounds LT32 and 8 pounds IMR8208XBR
2000 Barts 68 gr Avenger BTs
1000 Hillbilly 80 gr FB

I've got 200 Lapua 220 Russian and 200 6BR cases and CCI 400 primers and 500 6.5 130 VLDH bullets in transit.

I need maybe 1000 more 68s and I should have all I need to shoot through September
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As far as crimping goes, I will throw this out. I have been working with Hammer bullets for my hunting loads. They recommended crimping their bullets. I have shot some with and without the crimp, and the crimped rounds grouped much better. I can't say why it helps those, but I never crimp any other rifle rounds.
 
As far as crimping goes, I will throw this out. I have been working with Hammer bullets for my hunting loads. They recommended crimping their bullets. I have shot some with and without the crimp, and the crimped rounds grouped much better. I can't say why it helps those, but I never crimp any other rifle rounds.
Interesting. Thanks for sharing. I haven't crimped any Hammers but maybe I should just to see what my rifles do.
 
So I have been fooling around with a new color to powder coat the .44 bullets I made last weekend. Not having good luck with the BBs so I broke out the spray gun and did a test batch on some rejects. Think I might be on to something. Only problem is I have an 80% reject rate on close inspection so I will have to recast them.
 

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As far as crimping goes, I will throw this out. I have been working with Hammer bullets for my hunting loads. They recommended crimping their bullets. I have shot some with and without the crimp, and the crimped rounds grouped much better. I can't say why it helps those, but I never crimp any other rifle rounds.
That's very interesting. Don't recall which loading manual I read it in, but I seem to recall reading in one of the major manuals that crimping rounds after seating the bullet gave each round a more consistent starting point, which in turn tended to develop a more consistent pressure from round to round compared to relying on neck tension only, resulting in greater accuracy overall. Might be worth comparing crimped with non-crimped in groups of 10 rounds each, and running them over a chronograph while doing accuracy testing.
 
That's very interesting. Don't recall which loading manual I read it in, but I seem to recall reading in one of the major manuals that crimping rounds after seating the bullet gave each round a more consistent starting point, which in turn tended to develop a more consistent pressure from round to round compared to relying on neck tension only, resulting in greater accuracy overall. Might be worth comparing crimped with non-crimped in groups of 10 rounds each, and running them over a chronograph while doing accuracy testing.
This is not much of a crimp, but just a little. I used the Lee Factory Crimp Die. They say to get the die set for about 1/4 turn of crimp.
 
Nice, I try to get down there at least once per quarter. I'd go more often if ammo prices were more favorable. Next time I go, I'll bring my 300 wm, which we generally shoot at 600/800/1000yds, but also want to bring my new Savage 17HMR and stretch its legs out to 300yds.
We may have even met up there unknowingly LOL
 
I've never used a FCD, care to explain how you set it up to achieve the 1/4 turn crimp.
You set the die up the way their instructions say, but when you are setting the amount of crimp you want to turn it about 90 degrees. This gives you the 1/4 turn of crimp. It's barely even noticeable with your fingernail, but it really changed how mine shot.
 

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