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  1. D

    300 WinMag vs 300 PRC vs 300 Norma

    These times will pass. It will just take some patience. Get what you want and establish backorders at several places for components.
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    Gunsmithing Barrel alignment

    Those that time the muzzle are concerned about the angular misalignment of the throat. I'm not. My focus is on concentricity. I did the calculations once for a chamber that wasn't/timed aligned with the bore over the length of the chamber. We have very good barrels these days .0005" to .0010" is...
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    Gunsmithing Barrel alignment

    I don't time muzzles. I indicate them in. I can put a half a dozen barrels on the same action and they print to within an inch of each other at 100 yds. Seems like there's some consistency there.
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    Gunsmithing Primary Extraction Problem??? Pics

    Remove the firing pin and cycle your rounds and see what happens. That may give us some idea as to what's happening.
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    Gunsmithing Primary Extraction Problem??? Pics

    Tell us about your ammo. History of the brass and sizing. It sounds like you are either using brass fired in another chamber or there is an issue with your sizing.
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    New Sig CROSS

    I've got material coming this week to make a rear entry action wrench. Personally I prefer that method vs a magazine well block. PM me if you're interested.
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    Gunsmithing Rechambering 6.5cm to 260 ai

    Then there is matching neck diameters. I've got a 260 AI reamer. I need to look at the print.
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    Gunsmithing Proof stainless or Bartlein barrel

    Chad, Say hi to Ken for me. We haven't seen each other in probably 10 years.
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    New Sig CROSS

    I tried an AI mag to see if I could get a 6.5 Grendel to feed and didn't see any issues. Also tried the AI 223 mag just for shits and giggles and no problems there. I'd love to get a small bolt face. 300 BO would be a poachers special.
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    Light vs Heavy 6.5 Creedmoor Bullets?

    You need enough velocity and BC to get the job done. I've shot 100's of groups at 1K and BC's above .500 are adequate. Velocity is all you can get within reason. But if it's not accurate you're just chasing your tail. Apply the 80-20 rule. Build a load that fulfills 80% of your requirements and...
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    Gunsmithing Everyone loves a borescope video!

    If someone stopped by last night they didn't interrupt my nap while watching the World Series.
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    Gunsmithing Everyone loves a borescope video!

    Stan's a good guy. Very knowledgeable. We've known each other for a long time. If you ordered the blank long enough to allow cutting some,1" or more, off the muzzle then there's another reason why it wasn't cut off. Just saying
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    Gunsmithing Everyone loves a borescope video!

    Douglas doesn't lap their bores so there will be reamer marks in the grooves as well as on top of the lands. That doesn't mean it won't shoot just that it doesn't look good. Premium is just a word. XX means it was air gaged. The muzzle is obviously FUBAR'd. Just a guess but for some reason I...
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    MV Cal differences

    Why?
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    Gunsmithing Has anyone chambered Bartleins new 400MODBB

    I've chambered them. No problems. Will tool life decrease? Possibly but only marginally.
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    New Sig CROSS

    No and nothing for the forward sling mount. There is one in the rear that's reversible.
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    New Sig CROSS

    Antelope hunt is over. Heading home today. Love the rifle. Setup at 364 yds. the first time. 25 MPH cross wind. Wiser heads prevailed and we got to 145 yds. 135 Gr. Atip angled through the lungs, took the top of the heart out, exited and broke the off leg. Not bad for a target bullet.
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    New Sig CROSS

    I did the preproduction accuracy barrels. Never had a rifle in my hands until Shot and knowing it was a prototype I really didn't pay that much attention to the operation. I'm a cynic and was expecting something less than what I received in the production rifles. A little lube on the folder and...
  19. D

    What would cause this mark on case

    Internal pressure has exceeded the yield strength of the brass. Brass has flowed in to the ejector pin hole and is sheared off when the bolt is rotated. Reduce your load and it will go away
  20. D

    Accessories FS Sig Sauer Cross barrels

    I would think I could do them. I don't have any idea when ammo is going to be available. That round is going to be a learning experience for all of us.
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