Thanks for visiting and we hope you become a regular! Once registered you will have access to participate in our community. Welcome to the Pennsylvania Firearm Owners Association Forum, we hope you like what you find here and we strongly encourage you to register for an account with us, especially if you are from Pennsylvania. Select the forum that you want to visit from the selection below. maybe they would have shot better with matching brass etc, but clearly mixed brass did not cause the shots to scatter.Before you can post: click the register link above to proceed. years ago i used mixed brass with handloads when testing some 45s that i built and they produced 10 shot 1 inch groups at 25 yards (from a Ransom Rest). Many 45 bullseye shooters have noted that using mixed brass has not significantly eroded accuracy. pay close attention to that as it will influence feeding reliability and PRESSURE. One detail that is very important in handloading is cartridge overall length. case length is not something to worry about - of course now i've said that i'll regret it. and i'm one of those types who loads whatever i pick up off the ground. but the other 100k+ of semi-auto brass (of most calibers) has been fine, in that i've not experienced anything too long or short that has caused a malfunction. both were anonymously short by about 2 millimeters. both were new cases, one Winchester and one Starline. i can only think of 2 that i've run into, both were 38 Super. ![]() many of us experienced folks (geezers) have loaded and shot well in excess of 100K rounds and never come across one. only anomalies matter, and they are extremely, extremely rare. (don't get me wrong, it's good that you're paying attention to detail because that matters in handloading.) case length for semi-automatic pistols tends to be a non-issue. should you decide to test that, let us know how it turns out.Įdited to add that many folks new to the reloading game pour over the manuals and make note of case overall length dimensions and some other details as well, that turn out to be non-issues. i would suspect, though can't say definitively, that load selection (powder, primer, bullet) will have a much larger impact on accuracy than brass length. but how much of a difference in length is required to make a perceptible change in accuracy is uncertain, though maybe somebody out there has an answer. That said, if you're trying to squeeze the max of accuracy from your pistol then maybe case length is an issue. a few thousandths here and there doesn't matter for most guns (probably 99.99% of them). it is probably generally the case that brass fired in semi-automatic pistols does not change length significantly in either direction over it's useful lifetime to present a problem for the majority of users. i can't recall seeing any posts that someone had said that's happened to them because of brass length issues, though it may have happened and either they didn't report it or interpreted as a different kind of failure or whatever. this will depend on the length of the brass, the chamber dimensions, and the fit of the barrel. ![]() brass that is too long could prevent the slide from going all the way forward = out of battery. ![]() tiny differences as you've noted won't make a significant difference in the type of accuracy that is required for that type of shooting.īrass that is too short, and i mean waaay too short, will slip a little farther into the chamber to the point where the extractor grabs it and prevents it from slipping any farther. the typical IPSC shooter, which probably describes a majority of the folks on this forum, is less concerned about getting the utmost accuracy from their ammo since their targets are large, close and they're shooting fast. the most import is whether it functions in your gun. Part of the answer comes down to practical issues.
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