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  1. Rubicon Precision

    1/2 - 20 threading

    1/2-20 is prob a typo. They’re both prob 1/2-28.
  2. Rubicon Precision

    Reamer with freebore cut vs throating

    Standard 30/06 reamer doesn’t have a parallel freebore, just a leade. They taper to the bore diameter from the end of the neck ‘chamfer’. I’m not near a print now, but I suspect the throat dimension you’ve got is correct.
  3. Rubicon Precision

    Maggie’s What are you drinking right now!?

    Knob Creek old fashioned
  4. Rubicon Precision

    Maggie’s What are you drinking right now!?

  5. Rubicon Precision

    Maggie’s What are you drinking right now!?

    Buffalo Trace mint julep
  6. Rubicon Precision

    Coup De Grâce, New Action from American Rifle Company, $899 WOW!

    I’d bet it has to do with the limits of the wrench to action interface.
  7. Rubicon Precision

    Maggie’s What are you drinking right now!?

    12 year Appleton Estates Mai Tai.
  8. Rubicon Precision

    Gunsmithing Gunsmith said this about installing a Tikka prefit

    Guess I’ve been lucky. I’ve never had an issue removing a Tikka barrel. Maybe I’ll video the next one I remove.
  9. Rubicon Precision

    cleaning barrel found this - ideas?

    My money would be on long stringy chips got pushed into the bore on the machining op for the muzzle. It’s too inconsistent to be tool marks, and it marked up both the lands and grooves. A factory rifle, I’d rate it a solid meh. I wouldn’t want to see that in a match barrel you paid good money...
  10. Rubicon Precision

    Happy .308 Day, 2024!!

  11. Rubicon Precision

    Adding weights to McMillan or a manners?

    I’m not making any more of these, nor selling them, but I did make a few steel ARCA rails for some shop rifles that were tapered at the rear so they sit flat against the Manners T4 stock, and some steel “spacers” that fit between the stock and the cheek piece for weight and ballast. It worked...
  12. Rubicon Precision

    SENTINEL Hunters in 6.5PRC just dropped.

    Still knocking them out of the park! Beautiful!
  13. Rubicon Precision

    Is this normal?

    So what’s your expert opinion on the OP’s pics?
  14. Rubicon Precision

    Is this normal?

    It’s amazing how well rifles shot before cheap Chinese borescopes were in everyone’s hands….
  15. Rubicon Precision

    300 NMI questions

    I think your builder is confusing Bartlein with someone else.
  16. Rubicon Precision

    Prefit barrels, and how the barrels are indicated during manufacture

    I doubt any do that. You’d be crashing tools if you tried to rapid a bushing that is >.0002” smaller than the bore, if the bore was out more than that.
  17. Rubicon Precision

    Prefit barrels, and how the barrels are indicated during manufacture

    If you find a builder to tell you how they hold a barrel, the maximum total indicator reading they will accept pre-machining, and where that reading is taken, how do you plan on verifying it once you get the barrel? I know how I’m doing it. I know how some others are doing it. My method works...
  18. Rubicon Precision

    Barrel vise bushing?

    Meaning, torque wrenches aren't meant for breaking fasteners free. You can damage them using them as such. Use a breaker bar instead to remove the barrel.
  19. Rubicon Precision

    Barrel vise bushing?

    If your torque wrench actually measures CW AND CCW, stop using it to remove things.
  20. Rubicon Precision

    Long action 7mm cartridge

    I’d be looking at a straight .284 Win.
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