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  1. B

    Case Gauges?

    OP had a boom. He says because a case neck was too thick, weapon didn't go fully into battery. If I understood correctly, bullet diameter plus neck walls were a tight or interference fit in his chamber, bolt did not completely engage locking lugs, and bad things happened. My Wilson 308 case...
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    Case Gauges?

    I've had good luck with Wilson
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    Lesson-Learned: Primer Storage and Humidity

    Off Topic ... maybe "mayhem aplenty" Wasn't there a dancer who went by that name?
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    (UPDATE) Which node would you use?

    Another point of view ... look at 38.6 and 39.0. Remove the wind from 38.6 and you get 39.0. Vice versa, add wind to 39 and you get 38.6. Maybe. Maybe that horizontal isn't wind. Maybe the barrel is moving at 38.6. More testing needed. Where is bullet 5 in 39.4? I see four holes...
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    308 Brass Primer Pockets

    Thanks! I have that issue in a some cases and now I know what causes it. Excellent!
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    Shoulder bump inconsistency

    OP said that his once-fired brass measured 1.555 to 1.560. He says that he can pick a number (for example 1.557) in that range and reliably resize to -.002 or 1.555. Since his once-fired brass is coming out different lengths, he is asking what number in that range to use. People said ...
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    Help Needed - Sticky Bolt CLOSE

    Hi dnchrist, The solution is in posts 97 and 98 of this thread - page 2 in my list.
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    BR case neck thickness?

    The combination of statements and your request seemed odd to me. You are spec'ing a reamer. You want to know the neck thickness of commercial brass. Your reamer guy can make the reamer neck anything you ask for - SAAMI or something else. I have everything from tight-neck BR guns, custom...
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    BR case neck thickness?

    Do you want to turn necks? Do you plan to buy 6br brass or resize some other brass to your variant?
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    Inline Quick Change Plate Mounting

    My bench top is two parts - 3/4-plywood on 4x4 wood legs with a 2x4 frame and some stuff I found that is about half-inch thick with plywood in the middle and hardboard laminated on both sides. The hardboard/plywood piece is glued to the top of the 3/4 ply. The QC bases are about half an inch...
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    I have a Zero Obsession Lately

    I always zero at 100 yards for everything. I make range cards for every weapon/ammo combination. I have all weapons in Applied Ballistics. However you define zero and achieve it, sometimes you fire a shot and it goes astray. In order to check, you shoot a target at 100 and zero is not...
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    Help Needed - Sticky Bolt CLOSE

    Assuming that you are using 7/8x14 dies, half a turn should get you about 35 thousands. Doing the math: one divided by fourteen equals 0.0714 so one turn is 0.714 0.0714 divided by one half a turn is 0.0357. But a half-turn got you only 7 thou, not 35 thou. Something is strange. Your...
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    Factory ammo won’t chamber

    It won't chamber because the factory ammo is too big in some dimension. could be overall length - the bullet hits the lands before the bolt closes. You have to force the bullet deeper into the case. could be the "headspace length" the case-shoulder-to-base is longer than your chamber...
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    Ever so faint ejector mark

    As far as I know, there are two reasons for an ejector mark - pressure and burrs around the ejector hole. In the case of pressure, there is enough pressure inside the case to force the case base into the ejector hole. Due to high pressure the case is expanded in both radius and length so...
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    300 prc dies?

    Micron uses JGS resize reamers to cut their dies. I use a 300 PRC SAAMI JGS chamber reamer, I am a big fan of JGS work and products. The Micron die would probably work for me but, keep in mind, sizing dies have to match the chamber. If the chamber was cut with a reamer from a different...
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    Please Help!

    Make sure you use enough lube. If you get dents in the shoulder, that's too much lube but make sure there is enough. If you have any Imperial, that works well for me.
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    High end rifle issue

    Mr. Green, I am currently shooting three Bartlein barrels - two 308s and a 300 PRC. They all do what they are supposed to do. I have a 300 Win Mag that shot well for almost 2,500 rounds then it just wouldn't - as you know, that is a lot of rounds for a 300 Win Mag. I have a nearly unfired 300...
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    What seating depth is actually doing...actual node or just pass/fail?

    I plan to do a test. I have a bunch of 308 already loaded to 2.820 all with 41.52 +- .02 gr IMR 4064 powder charges. I am going to take 10 rounds and reduce the COL to 2.810, another 10 to 2.800, and another 10 and to 2.790. I will hang paper at 500, shoot groups, and see what happens...
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    Seating depth node?

    Maybe it just accidently worked out that way. Dumb luck works too.
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    300 prc dies?

    The Wilson full length die is really nice. I use the Wilson hand seater.
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