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  1. border_reiver

    McGowen Cut-Rifled Barrels for AR-10

    Anyone can push a button. Cut rifling, it's hard
  2. border_reiver

    Gunsmithing Can't keep barrel from spinning in vise

    Re: Can't keep barrel from spinning in vise That, and a little heat is your friend.
  3. border_reiver

    Gunsmithing FYI--Job opening in KAC Bbl Mfg Dept

    http://www.knightarmco.com/jobs/metal-finisher/ Good entry level introduction to learn the ropes of making rifle barrels from the sharp end. JR
  4. border_reiver

    Gunsmithing Twist rate question - 1050fps vrs 2600fps MV

    Re: Twist rate question - 1050fps vrs 2600fps MV <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: biffj</div><div class="ubbcode-body">The required twist is based more on the length of the bullet and the location of the CG. This is why round nose bullets will...
  5. border_reiver

    See how it's done - Knight's Armament

    Re: See how it's done - Knight's Armament I don't need to see it again. Longest day of my life hahah..
  6. border_reiver

    Gunsmithing Twist rate question - 1050fps vrs 2600fps MV

    Re: Twist rate question - 1050fps vrs 2600fps MV if the pill stabilizes in the subsonic, it will stabilize in the supersonic. go with that thought process and you'll do well. some bullet skins are thicker than others, so you might have to play with supersonic combos.
  7. border_reiver

    Ban on 1:7 twist

    Re: Ban on 1:7 twist call it a 177mm twist.
  8. border_reiver

    Gunsmithing Minimum barrel lenght to stabilize 243

    Re: Minimum barrel lenght to stabilize 243 they chamber .243 Win in the xp-100's, which can be anywhere 14-15-16" barrel length. Plenty accurate at 300yds. just loud as hell.
  9. border_reiver

    Ban on 1:7 twist

    Re: Ban on 1:7 twist Good thing most 1:7 twists are +/- .125".
  10. border_reiver

    Gunsmithing Unique Alpine rebarrel

    Re: Unique Alpine rebarrel Where are you located?
  11. border_reiver

    Gunsmithing Barrel

    Re: Barrel steel issues? yeah I haven't heard of any US material inferiority problems, it's been all good here. Only problem with the barrel steel supply is lead times are getting longer than they've been in a long time.. later JR
  12. border_reiver

    Gunsmithing Remington HS stock Crack Warp.

    Re: Remington HS stock Crack Warp. <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: MECH1</div><div class="ubbcode-body">Well I had read were someone one this web site was treated very well by H-S Precision and they received a new stock for a crack issue. Well I...
  13. border_reiver

    Gunsmithing Lapping compounds

    Re: Lapping compounds Chad, USP is good stuff. One compound you might try is AC-280. They'll send you a sample, lasts a while. Looks like chocolatey mousse, and not an unpleasant smell. MADE for the hardnesses of steels we're using for barrels and actions. I too use the ECG's, as you...
  14. border_reiver

    Gunsmithing boring and rifling old barrels

    Re: boring and rifling old barrels http://www.deltagunshop.com/clearwater_reboring/index.html if that's the place I'm thinking, they learned from an artist in the cut rifling arena. Cliff Labounty..
  15. border_reiver

    Gunsmithing Transitional Rifling?

    Re: Transitional Rifling? I think the theory is it more brings the rotational velocity of the projectile up to 'speed' more gradually as it drives thru the length of the barrel. Therefore creating less stress or upset on the projectile itslf.
  16. border_reiver

    Gunsmithing How long do chamber reamers last?

    Re: How long do chamber reamers last? I've run 400+ chambers on Daves nitrided carbide finish reamers w/o resharpen, roughing first with his 3 flute nitride carbide
  17. border_reiver

    Savage bent receiver fixed - SHOOTING RESULTS

    Re: Savage receiver FIXED - need to remove barrel One thing to consider when the action is twisted back, it's not the same animal. To blame the ammo first for inconsistency might be too easy. One thing to check if anything might shoot is torque all action screws down, vise the rifle...
  18. border_reiver

    Navy Shows Off Powerful New Laser Weapon

    Re: Navy Shows Off Powerful New Laser Weapon it will only be cool if they make the star wars laser gun noise.
  19. border_reiver

    Great problem with the H-S Precision rifle.

    Re: Great problem with the H-S Precision rifle. <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: .sk.</div><div class="ubbcode-body">More of the problem is the actual HS Precision company!!!, and their attempt to find a way to avoid responsibility for a dangerous...