Recent content by jbm

  1. J

    Interior Ballistics (almost) vs Exterior Ballistics

    The problem is that we don't know if it is or not. We can assume, but that can be dangerous. For instance, the difference in drop you calculated is orders of magnitude less than what I would expect for aerodynamic jump with a 10 mph cross wind. Just a little gust at the muzzle not accounted...
  2. J

    Parkerizing

    I've done this a couple of times at home with good luck. I bead blasted the metal first. Everything has to be clean. I scrub everything with gun cleaner, then scrub and soak in acetone while I'm getting the solution ready, then one final rinse with clean water. I used gloves to handle...
  3. J

    Long range rifle recommendations

    I was talking about measuring bullet drop from velocity. It's a waste of time.
  4. J

    Long range rifle recommendations

    It's on par with looking it up in reloading tables which is much easier.
  5. J

    Long range rifle recommendations

    That's a recipe for running in circles. You might as well buy a cheap chronograph, it would be better. Shooting to determine muzzle velocity is not really a good way to determine it. Also, you won't know how good your load is because you won't have any idea what standard deviation is.
  6. J

    Long range rifle recommendations

    You have left out a lot of information, so it's hard to give you advice. I'm going to assume that you don't have a lot of experience with these kinds of rifles. There are many things to think about when you start getting into the larger 338s: 1) Do you reload? 2) Have ever done anything with...
  7. J

    Real or Counterfeit

    The EBay seller told me it was made decades ago and that they checked with Leupold and Leupold said it was OK. Either way, there is no way I would have bid on it.
  8. J

    M1 Garand: WHY is it so expensive?

    Because people will pay it. It's not any more complicated than that.
  9. J

    Loading 300blk subs

    In my opinion, loading subs is a little different than loading other rifle rounds. I load for velocity to keep them quiet out of a suppressor instead of loading for accuracy as I normally would for rifles. I would start with published data (not the max, not the min) and see where you are at...
  10. J

    300 PRC or 30 Nosler

    The Barnes bullet requires a 1:8" twist. Didn't you get a 1:9" barrel?
  11. J

    Safe way to buy firearm?

    Why would he ship from an FFL if he is shipping to an FFL. Last time I checked there is no requirement for a gun to come from an FFL - was this changed recently?
  12. J

    Target rifle caliber?

    The problem with saying "only 300 yards" is that there will always be targets a little further out! I would go with the 6.5 PRC in a Ruger Precision Rifle to start with. I have one and it shoots very well. I have shot <1.5" for five shots at 300 yards.
  13. J

    Are ladies by their nature instinctively better shooters?

    I voted no because the question is flawed. There is no such thing as instinctive shooting - we haven't, as a species, been shooting for more than a few hundred years - not long enough to develop instincts. It's a learned skill. In my opinion, women do take instruction better than men.
  14. J

    How to remove copper deposits from muzzle brake/suppressor mount?

    I take my Stanley knife and just scrape it off. Works very well and is very quick.
  15. J

    2020 Gouge Board

    I'm confused. Are you complaining that they are selling their property at a price higher than you would like? Too bad. They can sell it for whatever they want - it's their property. And yes, it is capitalism. I would bet that they aren't going to sell many at that price -- I certainly would...
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