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  1. S

    Kicking around the .375 E to replace 50 cal. in the ELR-SR role.

    Lehigh had a multipurpose round in 338 for a while so it isn't like you can't CNC a bullet and stuff it with whatever filling you want. Even an 833 grain 50 cal bullet like spotter tracer is marginal as a payload though. There is a reason actual HE rounds in 50 are essentially collectors items...
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    Kicking around the .375 E to replace 50 cal. in the ELR-SR role.

    I think at some point someone is going to question having a giant heavy action while getting the same performance as something smaller and lighter. I understand that there is an argument that the 50 BMG primers are more consistent at very cold temps but I've never seen data to actually back...
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    Finally a Good Shot Marker Stand

    Spent a lot of time in those pits... Looks like a good build. FZ-G1 is a great choice for the interface. Nice and bright even in full sun. Only concern is a rather obscure rule from a few years back about metallic targets downrange needing to be Hardened steel. Pretty sure that rule came...
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    Dependence of overtwisted bullet at subsonic speeds

    But that is a pretty ugly calculation to run on a bullet rather than a cylinder. Would break it up into .050" sections if you really wanted an answer. Since wind velocity is essentially never constant across a bullets flight path at any of the range we are concerned with, it isn't going to be...
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    Dependence of overtwisted bullet at subsonic speeds

    A faster twist rate would increase the magus effect on vertical dispersion from a lateral wind, so yes. -Alex
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    338 Norma Improved (AI)

    I think once you get into the 338 improved cartridges then it being a norma or lapua to start with stops making much of a difference. There are at least a dozen versions out there that essentially achieve the same thing. So many in fact that you better commit to buying a reamer and having a...
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    AB mobile lab???

    Probably big parts of it. I'd also add that if there aren't new bullets coming to market in significant numbers then the value in crowdsourcing ballistics data isn't enough to justify the effort. If it costs them $20k to show up and they only get two new bullet reads to add to their list, then...
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    Nightforce Wedge Prism 50 MOA or 100 MOA ???

    Honestly I'd roll with 50 if I were you. You are going to have gaps otherwise. With the 5-25 you could nearly zero at the bottom with a 50 MOA Rail+Rings and that would let you dial up to the top, put the prism on and dial back 100 MOA and keep rolling. You essentially can't do that at all...
  9. S

    2024 Ko1M & Ko2M Rule Changes

    Out of curiosity, how many ELR matches have you shot in or ran? -Alex
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    2024 Ko1M & Ko2M Rule Changes

    Yes. You loose points if your gun is overweight. If you are at 50 pounds you start at -10,000 which is the difference of a shot or two. If you are so confident that a heavier gun is better shooting then by all means, come and prove it. I would suggest to you like I do to all shooters that...
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    2024 Ko1M & Ko2M Rule Changes

    To be honest, if you have a hard time keeping something in the realm of 40 pounds stable, you probably have something off with your positioning or other shooting fundamentals. If the recoil is that big of an issue for you then I have nothing to say about that. Here is a girl that weighs 90...
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    2024 Ko1M & Ko2M Rule Changes

    Since Ko2M started the sport lol. I would say without question that last year was the most fun it has been since 2016 and that had more to do with the people that showed up to shoot than anything. 40 pounds has been the rule for 5 years now and with the changes to the overweight penalties...
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    So… Philadelphia…

    So the ranges are set up along a ring road at the top of a mountain and shoot mostly downward. There are benches at most of the firing points as well as areas to shoot prone from. Some are covered but not all. Parking is essentially right next to the firing point for practice. During matches...
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    2024 Ko1M & Ko2M Rule Changes

    Last time I got results from him was in 2020 and it required about month of calling him a fuck-up on Facebook before he sent them. Personally I regard it as a disservice to the shooters to let their achievements go unacknowledged. -Alex
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    2024 Ko1M & Ko2M Rule Changes

    If you think about this as essentially crowd sourcing the development of field appropriate gear, that perspective isn't far off. True, most competitors in the US are unlikely to shoot anything but targets with their guns. That doesn't change the reality that what we do is often directly...
  16. S

    So… Philadelphia…

    Black bear shooting club in Gladstone VA goes out to 2100 and is the closest ELR range to you. Would be about an hour longer drive then Reade though. -Alex
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    2024 Ko1M & Ko2M Rule Changes

    I have to assume that going from a muzzle loader to a gun that would cycle helped quite a lot. What else did you guys change? -Alex
  18. S

    2024 Ko1M & Ko2M Rule Changes

    Giving people a bit of grace on the weight of a suppressor gives people a choice to use one or not if they are near their weight limit. It probably won't make a difference to many shooters but if we can get more people using them then the selection for larger bores may well improve. Personally...
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    2024 Ko1M & Ko2M Rule Changes

    FWIW, the rules are determined by Eddie, Walt and I. We tried the committee thing last year and it was a clusterfuck. We run changes by match directors to see if there is anything that seems like it will cause problems as a sanity check but experience has taught us that the more people that...
  20. S

    Best ELR Rifle Info

    Well I was honored to be a trigger monkey on a gun with a history like that :) I'm converting one of my 50s to 460 and I must say, the performance of the hellfire gives me pause but that would be a ground up new gun. Kinda like the idea of bigger splashes but it seems like a lot of the guys...
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