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300 win mag brass

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Unread 12-17-2012, 10:41 AM
Silver Member
Join Date: Aug 2009
Location: Rigby, Idaho
Posts: 275
Re: 300 win mag brass

Oops! Dang phones. 100 pieces. Glad to see you guys are paying attention.
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Unread 12-17-2012, 11:23 AM
Silver Member
Join Date: Nov 2012
Location: Western NC
Posts: 135
Re: 300 win mag brass

I see you've already chosen a brand of brass, but I thought I'd throw in my 2 coins anyways ;)
In my rifles, .300 Win Mag is what I put the most money into (top-shelf components, brass etc), and I use Hornady brass for load development/target shooting/hunting/general useage... But I have 200 rounds of Nosler Custom brass that I use for competition loads (F class).

The Hornady brass is absolutely excellent, I have a certain 50 that I have now loaded 7 times, and only trimmed twice - case heads haven't expanded a bit... impressive. I would use them for my competition rounds if they weighed more consistently.

The Nosler brass is extremely consistent, all four 50rd. bags I ordered have all been extremely tight - however at $1.25 per case, it's a little high. I've only loaded them 3 times (50 still unfired - waiting) - and they've stretched more than the Hornady's did, but accuracy has been phenominal.

I've been buying a lot of Federal Premium brass lately, and have recently purchased new, unprimed Fed brass in .223, .30-06, .280 Rem - and they have been MUCH better than other standard commercial brands - thus far... by commercial brands I am talking about Rem and Win. Right now I have some 6mm Remington brass that I am working into a custom rounds for a fellow - .22/6mm ... a nice little 1000 yard screamer that shoots 90gr. .224" bullets at 3200+ fps ... Just got the rifle built and am forming up some brass, so this will be a great test on how well it holds up.
"It can be - done quickly, done correctly, or done inexpensively ... Pick any two."

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Unread 12-17-2012, 03:58 PM
Silver Member
Join Date: Dec 2010
Location: saskatchewan canada
Posts: 172
Re: 300 win mag brass

I went to Nolser brass a few years ago for my heavy barrel target rifles,25-06 300WM, no trimming,use them till primmer gets lose ,full length resize (bump the shoulder back) threads on that,best money I ever spent.
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Unread 12-17-2012, 04:31 PM
Junior Member
Join Date: Jan 2011
Posts: 29
Re: 300 win mag brass

I bought 250 Winchester brass 3 years ago and 3000 rounds later, out of a custom built 300 win mag. I fireformed them all, and then put them into to lots of 50 from the oringinal bags. I could get 13 to 14 firings, and then they would all start to crack just above the belt. Primer pockets were nice and tight all the way to the end. I full lenght resise every 3rd firing or when bolt lift becomes heavy. I dont think you have anything to lose, to try a 100.
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