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FEDERAL .300RUMMY brass test

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  #8  
Unread 04-23-2005, 07:25 AM
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Re: FEDERAL .300RUMMY brass test

I got some from Dave a few weeks ago to build some 338 EDGE brass on, I have to agree with 3SB on the quality. I am looking foreward to testing it but wish it came unprimed also. Will post on the pressure / velocity vs. Rem brass
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  •   #9  
    Unread 04-23-2005, 09:31 AM
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    Re: FEDERAL .300RUMMY brass test

    Dang, I just purchased 1,500 Remington once fired brass with the plans to sort them all by weight, run-out and neck thickness (and neck thickness consistency) using my Mitutoyo .0001 tube mic.

    I agree with Bart Bobbit who writes:
    [ QUOTE ]
    <font color="purple"> Keep in
    mind that uniforming case necks typically won't show any accuracy
    improvement for factory chambers. Nor will any significant improvement
    occur in most 'smithed chambers. The only time I've seen accuracy
    improvement by uniforming neck wall thickness is when a top quality
    match barrel is chambered with a top quality match reamer whose pilot
    is a perfect fit to the bore diameter. This allows the chamber's neck
    and throat to be perfectly centered on the bore axis. Uniforming neck
    wall thickness definitely helps in these chambers.

    Another thing about uniformed neck wall thickness is that the benefits
    of such case preparation is typically nulled when conventional sizing
    dies are used. The sizing die (neck or full-length) should <font color="red"> NOT use an expander ball; </font> those things bend case necks enough to mask any accuracy
    improvement uniforming neck wall thickness might do.

    </font>

    [/ QUOTE ]
    I have two 300 RUMS so need dbl the brass.
    Should I sell all my Rem Brass on eBay and get the better Brass? Even if I get the Federal brass, I'll go thru the same sorting procedure (but it should be faster and give fewer but larger batches) - so how much advantage is there to the Federal Brass? Is brass life any better? Cost is really moot because the Rem brass is only 1/3rd $ each and I plan on reloading it max 4 times.
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      #10  
    Unread 04-23-2005, 10:19 AM
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    Re: FEDERAL .300RUMMY brass test

    whats the big deal about buying the brass already primed? Its only one more step to add to yor initial case prep...
    For the quality of the federal brass... its well worth the effort.
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      #11  
    Unread 04-23-2005, 11:22 AM
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    Re: FEDERAL .300RUMMY brass test

    [ QUOTE ]
    I got some from Dave a few weeks ago to build some 338 EDGE brass on, I have to agree with 3SB on the quality. I am looking foreward to testing it but wish it came unprimed also. Will post on the pressure / velocity vs. Rem brass

    [/ QUOTE ] The only good part of a primed case is I never square the pockets till I get the first fire-form on the case. It's better in my opinion as the pockets seem to get a full cut after the first set back. As my forming loads will be stout, I think this is for me, the better course to follow.
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      #12  
    Unread 04-23-2005, 11:51 AM
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    Re: FEDERAL .300RUMMY brass test

    B1g_bOre: I don't know who your friend Bart Bobbit is, but I agree with what he has to say. For me I would much rather get a good lot of brass. Lay in the stock of bullets that I will be using for that rifle barrel. Then seat my bullets (three) send them off to my reamer maker and have him do the reamers from the loaded dummy rounds. when you have the finisher and the resize reamers along with your head space gauge, well you just given the smith a real helping hand. You only have to have one set of dies made to burn out a lot of barrels. For me the .338 made from this case with a sharper shoulder and full length made be a good bet. I do know if you follow a prescription such as this you are well on the way to getting to where you want to go. I'm not saying this is the way for everybody, but I only want something built that has good brass to start with. I plan on using the 6.5X57 RWS cases for another build I'm planning because I understand this to be vary good brass to work from. I have 300 new REMINGTON cases here in the shop that belong to a friend. Spinning this brass will make you sick after you spin the FEDERAL. Something else I learned about this REMINGTON throat is that it's so long it would have made ROY WEATHERBY proud if he where alive to see it. I think the old hotrodders reframe holds true with rifles too, "how fast do you want to go?,How much money do you have to spend? I know it holds true with accuracy! [img]/ubbthreads/images/graemlins/grin.gif[/img]
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