acesdugout Posted August 30, 2009 Share Posted August 30, 2009 (edited) Hi Y'all I just received a (new) bag 100ct of Winchester 9mm Luger brass. The question I have is I ran them thru my calipers and found a variation ranging from .749 - .751 with the most of them at .750, Is this normal or is it my OCD hitting me hard lol? The .749 was the least at 20 the .750 had 45 and the .751 at 35. Is it best to trim the .751 down and use the .749 for fodder? Seeing how hard it is to get brass these days. And the LEE 2nd Ed. load manual show the 9mm Luger COAL at .754 is this Max COAL? Well here's hoping for some help. Yours in service James Acerra Edited August 30, 2009 by acesdugout Link to comment Share on other sites More sharing options...
gm iprod Posted August 30, 2009 Share Posted August 30, 2009 Given the cost of brass and the fact that they are within spec for new brass (+ or - 0.001"), you should load and shoot them first before consigning them to my hands. I have had brass with similar characteristics shoot some pretty hot groups. Link to comment Share on other sites More sharing options...
HSMITH Posted August 30, 2009 Share Posted August 30, 2009 That is as good as you will get. I wouldn't trim, they get shorter every time they hit a sizing die. I'd load and shoot. .754" is the max, if they were longer you would need to trim. Link to comment Share on other sites More sharing options...
Joe4d Posted August 30, 2009 Share Posted August 30, 2009 many many many moons ago, I bought some case trimmers, I even used them a few times, now I dont bother and havent for about 15 years, I generally use range pickup brass. Link to comment Share on other sites More sharing options...
Tom E Posted August 30, 2009 Share Posted August 30, 2009 Hi Y'all Is it best to trim the .751 down and use the .749 for fodder? You're obsessing, load 'em and shoot 'em. Link to comment Share on other sites More sharing options...
BMartens Posted August 31, 2009 Share Posted August 31, 2009 You mentioned the OCD... If you trash everything that is .001" off you will have a very clean bench. I have yet to find a pistol case that needed trimming. Link to comment Share on other sites More sharing options...
rhyrlik Posted September 5, 2009 Share Posted September 5, 2009 That is certainly excellent consistency. The worst I have seen is R-P anywhere from .738" to .754" Link to comment Share on other sites More sharing options...
Aircooled6racer Posted September 5, 2009 Share Posted September 5, 2009 Hello: You measure pistol brass OAL I have never done that, maybe that's what is wrong. I usually lose the brass before I wear it out. Just shoot it and enjoy. Thanks, Eric Link to comment Share on other sites More sharing options...
GrumpyOne Posted September 5, 2009 Share Posted September 5, 2009 Please, PLEASE, don't go measuring all the dimensions of your brass. You will end up throwing all of it out! Link to comment Share on other sites More sharing options...
rhyrlik Posted September 6, 2009 Share Posted September 6, 2009 Not if it all measures within .002" Link to comment Share on other sites More sharing options...
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