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mixing two same lot # boxes of brass
#7011172
12/25/17 07:11 PM
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Joined: May 2014
Posts: 1,100
TackDriver
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I just got two 50 piece Nosler brass boxes of the same lot, would it be ok to throw two of those boxes together for a 100 piece batch?
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7011177
12/25/17 07:22 PM
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Joined: Dec 2008
Posts: 41,171
J.G.
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I don't even look at brass lot number.
Brass prep, primer quality, powder charge consistency, and bullet relation to the lands tuning is far more important.
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7011178
12/25/17 07:23 PM
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Joined: Apr 2010
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dee
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Loads on the brass and annealing cycle is more important than lot number.
"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7011185
12/25/17 07:36 PM
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Joined: May 2014
Posts: 1,100
TackDriver
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Thanks FM and dee, its all I need to know.
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Re: mixing two same lot # boxes of brass
[Re: dee]
#7011191
12/25/17 07:46 PM
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Joined: Dec 2008
Posts: 41,171
J.G.
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Loads on the brass and annealing cycle is more important Yup. I've got 200 pieces of 7 Rem Mag with two firings, and has been cleaned. A partial box of 50 more are in the truck. Once that box gets fired, it'll need cleaning, and every piece will get annealed, sized, trimmed. Then I'll have all the brass the same as it needs to be. Only problem is, once this last box gets fired I am smooth out of loaded ammo for that rifle, I'll have to get to work to get it shooting again.
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7011218
12/25/17 08:42 PM
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Joined: May 2017
Posts: 5,198
Smokey Bear
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Last 200 pieces of nosler brass I bought was all + or- 0.5 gr. It comes weigh sorted. Others opinions may vary but part of what you paid for is weigh sorted brass with nosler. I would weigh a few out of each box to see how close they are before I decided to mix it or not. It just depends on whether you think it makes a difference or not.
Smokey Bear---Lone Star State.
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7011226
12/25/17 08:57 PM
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Joined: Nov 2007
Posts: 9,521
RiverRider
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I agree. May as well try to preserve the value of what you've bought.
"Arguing with you always makes me thirsty." -Augustus McRae
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7012062
12/26/17 06:13 PM
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Joined: Sep 2009
Posts: 18,951
ChadTRG42
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99% of the time it should be fine, but sometimes different lot numbers of brass weigh different. We have had some lots of 28 Nosler brass be heavier/lighter. It was enough to alter the load by .5 grain. The heavier brass generally has less internal case volume, giving you more pressure, and effecting the load. So, it can matter.
When it comes to my high precision, long range ammo, like for my 7mm/300 Win Mag, I do weigh the cases and sort them.
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7012126
12/26/17 07:00 PM
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Joined: May 2014
Posts: 1,100
TackDriver
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When I get a chance, I'll weigh them all and sort them.
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7012332
12/26/17 09:46 PM
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Joined: Dec 2011
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garyrapp55
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I am not looking to stir the pot or raise a stink as I'm not a professional loader. I'm rather bringing to light something related to this subject I just recently read and think might be of good taste in this thread. It appears to me that case weight may be less important than case capacity. Obviously they may be related but weight may not directly affect the other. I can only imagine that weighing them is much easier and less time consuming than measuring capacity. I have never sorted by capacity. What say those with more experience? https://aprifles.com/blogs/thoughts-from-the-ranch/16711779-all-about-that-brass
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Re: mixing two same lot # boxes of brass
[Re: ChadTRG42]
#7012342
12/26/17 09:50 PM
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Joined: Dec 2009
Posts: 5,455
Big Fitz
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99% of the time it should be fine, but sometimes different lot numbers of brass weigh different. We have had some lots of 28 Nosler brass be heavier/lighter. It was enough to alter the load by .5 grain. The heavier brass generally has less internal case volume, giving you more pressure, and effecting the load. So, it can matter.
When it comes to my high precision, long range ammo, like for my 7mm/300 Win Mag, I do weigh the cases and sort them. Chad, once you do your sorting, do you alter the charge for differing weights of brass? How much adjustment would you do on a 6.5 Creed?
I was wrong...on anything technical. Fitz............. is right, ya know............
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7012365
12/26/17 10:04 PM
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Joined: Jan 2009
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Judd
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Don't waste your time. They are the same lot, that is the entire purpose of having lot numbers.
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7012432
12/26/17 10:50 PM
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Joined: Sep 2009
Posts: 18,951
ChadTRG42
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Some of the brass we have seen has been 12-20 grain heavier/lighter. And yes, we had to alter the powder charge for the case weights.
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Re: mixing two same lot # boxes of brass
[Re: Judd]
#7012436
12/26/17 10:52 PM
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Joined: Nov 2007
Posts: 9,521
RiverRider
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Don't waste your time. They are the same lot, that is the entire purpose of having lot numbers. I think that would depend on whether lot numbers are assigned before, or AFTER weight sorting. Do you know anything about this, Chad?
"Arguing with you always makes me thirsty." -Augustus McRae
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Re: mixing two same lot # boxes of brass
[Re: ChadTRG42]
#7012715
12/27/17 03:13 AM
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Joined: Jan 2009
Posts: 19,250
Judd
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Some of the brass we have seen has been 12-20 grain heavier/lighter. And yes, we had to alter the powder charge for the case weights. Within the same lot? If that's true you need to contact Nosler, that's [censored]. If it's two different loss then I could buy that but the OP is talking same lot.
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7013202
12/27/17 04:51 PM
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Joined: Sep 2009
Posts: 18,951
ChadTRG42
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Judd, it's to different lots. It's when I have several lot numbers on hand.
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Re: mixing two same lot # boxes of brass
[Re: TackDriver]
#7013514
12/27/17 09:03 PM
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Joined: Aug 2011
Posts: 6,179
Tactical Cowboy
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I don't even sort by headstamp...
The secret to a long life is to try not to shorten it.
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Re: mixing two same lot # boxes of brass
[Re: Tactical Cowboy]
#7013790
12/28/17 01:05 AM
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Joined: Dec 2008
Posts: 41,171
J.G.
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I don't even sort by headstamp... Depending on your requirements of the ammo, that may be just fine.
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Re: mixing two same lot # boxes of brass
[Re: ChadTRG42]
#7014007
12/28/17 03:22 AM
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Joined: Jan 2009
Posts: 19,250
Judd
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Judd, it's to different lots. It's when I have several lot numbers on hand. I can buy that.
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
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