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  1. G

    High Pressure Signs? 300WM

    Okay, I didn't shoot 73 and 73.5 again but I started at 68.4 and went up to 72.8 in increments of .4 2705 was lowest. At 72.8 highest was 3002. I didn't see anything in my books or doing a search that showed that high of a velocity with a 200gr bullet in a 24" barrel. There are no signs of...
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    6mm ARC Brass Forming

    Okay, I was just wondering. Thanks It was for future reference.
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    6mm ARC Brass Forming

    Okay, so I had (1) 6.5 grendel piece of brass that I had picked up somewhere. I lubed it and ran it through the 6arc die and the neck pushed down into the shoulder. It was destroyed! Question is; should I have trimmed the neck down before I tried to resize the case? Is there a certain sequence...
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    High Pressure Signs? 300WM

    @918v oh. Well there is a lot of jump. I seat only to mag length . I can't remember the actual length but it's long
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    High Pressure Signs? 300WM

    Well here are two images taken with the borescope. Kinda hard to figure out (lack of depth and perception) but looks as though the leads are more of a bullnose shape than normal leads with a rake at a certain angle of degrees?
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    High Pressure Signs? 300WM

    @Lew Hodge the headspace ,as I stated earlier, from bolt face to where the belt engages in the chamber is .003 clearance from bolt face to cartridge base. The overall length of case to a data line on the shoulder is around. 008 +/- on new brass. When I resized the 1× fired brass , from another...
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    Savage 93R17 with a bore snake stuck

    Wow! Do they even make a BS that small? Must have been one for a 22 caliber? I have no idea how to remove it. I've heard of a lot of stuff stuck in barrels that are still there. Might just be easier to replace the barrel?
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    High Pressure Signs? 300WM

    Yeah, could be but the case mouths seemed to look normal 🤔 The cases do seem to grow quite a bit. I'll watch for this . If it is something along that line I'm sure it will show up at a minimum charge?
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    High Pressure Signs? 300WM

    Thanks to all that shared imput. I'm going to start load development down a couple of grains and see where that goes. With supplies being what they are its kinda the worst time to do this. Especially when you're limited to less options . Anyway I'll carry on. Thanks
  10. G

    High Pressure Signs? 300WM

    Ledzep, I'm starting to think that too. I'll drop back to starting load and see how things look. The problem is that it wasn't just my loads, it was the factory ammo too. I do know Hornady can be a little warm sometimes too. I'm not afraid to shoot it but if that is max for this gun then I'll...
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    High Pressure Signs? 300WM

    Just above the belt. A 10th about .512
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    High Pressure Signs? 300WM

    Mine with 1× is 507 +/- Hornady brass 2× is same federal brass
  13. G

    High Pressure Signs? 300WM

    You know, I really can't answer that. I would seem that I would have noticed but IDK
  14. G

    High Pressure Signs? 300WM

    Also to be honest, there may have been oil in the chamber that I did not remove as I left some in the bore because I didn't think I would be shooting it for quite some time! I never leave lubricant in my barrels. May have this time?
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    High Pressure Signs? 300WM

    I will load a few loads starting at mim powder charge and see what happens. The belt makes this very confusing. I will just neck size these 26 cases as they chamber fine. Probably 1 or 2 thousands short of overall chamber length and go to a regular LRP In reality the wm case is no different...
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    High Pressure Signs? 300WM

    Bolt closes on 1 piece of tape . Bolt will not close on 2. Not masking tape. Clear packing tape . 2 layers = .004 So more than .002 <.004. I think .003
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    High Pressure Signs? 300WM

    The difference is .014 new to once fired. I annealed the 1× brass and got a little to aggressive. .006
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    High Pressure Signs? 300WM

    Thanks everyone for all the info. As of right now no numbers meet or exceed any specs I've read. So now I will make a trip out again and check some numbers in real time and run with my magneto speed.
  19. G

    High Pressure Signs? 300WM

    Well starting to understand this. I'll make another trip to the range with the factory ammo and check this out. Thanks
  20. G

    High Pressure Signs? 300WM

    Well I know the headspace from base to belt is .003 and the base to a data line on shoulder is .008 Hmm, to much ?
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