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  1. damoncali

    Most accurate 338 solid projectile?

    Is there some sort of explaination of how this ring modification works out there somewhere?
  2. damoncali

    Muzzle Velocity

    How many shots? I sort of doubt you're getting a true 5 SD from factory ammo. This is probably just normal statistical variation.
  3. damoncali

    Elr Mach V

    I worked with some titanium metal matrix composites when I was in aerospace engineering (with boron fibers if memory serves). Granted, this was 15 years ago, but I don't think they'd work. For one thing, the matrix material is the part that would erode, so that won't help. Another is that...
  4. damoncali

    Elr Mach V

    Not necessarily. If you can charge more per shot for a longer lasting barrel, they could wind up making more. Especially when you conisder many rifles never get rebarelled. It all depends on costs and market prices. If you could make a 6.5x284 last for 5,000 rounds (for the sake of argumment...
  5. damoncali

    DA or individual values?

    6 or half dozen. What's nice about DA is you can make range cards at various DAs and know you're covered close enough no matter waht. If you're calculating DA, or more likely, your device is, then it really doesn't matter. There are some subtle approximations in air density calculations no...
  6. damoncali

    Gunsmithing Affordable Borescope/Fiberscope

    Note that there are two versions of the Lyman. The newer one has higher resolution. Not sure exactly when they transitioned, but it was earlier this year I believe.
  7. damoncali

    Advanced Marksmanship Is there an optimal process to fit a chassis to the shooter?

    This is assuming you're shooting from a bipod: Get behind the rifle, adjust the length of pull so that it is snug and comfortable. Then mount the scope so that the eye relief is correct. Next, raise the comb until your eye is aligned behind the scope. Finally, djustment of the butt plate can be...
  8. damoncali

    .308 ammo for positional/barricade on steel practice

    Consider reloading. You can load ammunition that is significantly better than FGMM for $.50-$0.70/round. And you don't need fancy reloading gear to do it. A Lee kit bolted to a portable bench will do the job. You just need a little time.
  9. damoncali

    Most valuable piece of equipment you have purchased

    A 1907 sling. Learning to use it WILL make you better.
  10. damoncali

    Rifle Scopes FFP vs SFP for a do all

    Quoting for emphasis. Anythign over $1,000 will give you a VERY small return on your money in terms of utility. Some people just like to buy nice gear for the sake of it.
  11. damoncali

    Rifle Scopes FFP vs SFP for a do all

    The only scenario in which a FFP is a clear favorite when shooting quickly at long (unknown) range, and that's if you have some way of measuring misses (you can see them yourself or you have a spotter). Otherwise, SFP is the way to go, especially with a $1000 limit. A multi-purpose rifle will...
  12. damoncali

    Sling Suggestions?

    Just for grins, I have to mention the classic 1907. It's a pain to get in and out of, and you might need an engineering degree to assemble it, but it will damn sure lock up your position. I've also got a short action precision that does the job well enough - similar to the 1907, but more modern...
  13. damoncali

    Soft Case

    Creedmoor makes some nice cases for around $75. I've had one for 15 years and it's still fine.
  14. damoncali

    Ceramic Rifle Barrels and Their Benefits

    Hardness, at least directly, isn't much of a factor. Barrel errosion is caused by a complex set of factors, the major one being heat transfer to the outermost layer of material in the bore, which melts and is washed away. There are also phase changes that happen a little deeper that complicate...
  15. damoncali

    Ceramic Rifle Barrels and Their Benefits

    The good news is that match grade accuracy is not a hard requirement for ELR, and in fact, the bullets used discourage it. The bar is lower than it is for benchrest.
  16. damoncali

    Ceramic Rifle Barrels and Their Benefits

    We used some kinds of inconel in the aerospace business, but I was never around when they had to cut it. They did manage some very high precision parts, though. God only knows how much they cost - money wasn't exactly something we thought about much. I imagine gun drilling it would be tough. How...
  17. damoncali

    Ceramic Rifle Barrels and Their Benefits

    Inconel (a nickle alloy used in high temperature applications) has come up as a material that could resist erosion significantly better than steel. If I recall correctly, it yielded roughly 3 times the life of steel (don't quote me on that). No idea as to accuracy or cost.
  18. damoncali

    Most Important Gear for a new shooter to acquire

    Don't fall into the gear trap. For known distance out to 800, you have what you need. If you don't know why you need a piece of gear, you probably don't need it. The only thing I can think of would be a good sling and a shooting mat (just to keep yourself from getting all muddy) - learning to...
  19. damoncali

    Elr Mach V

    There were some military study done in the 70s that found that various types of chrome linings/steel alloys increased barrel life by 500% to 2500%, with some of them having relatively little cost increases. The caveat is that this was a test of an M134 machine gun, so the life was defined...
  20. damoncali

    F T/R Competition FT/R and 80SMK

    Virtually everyone I know who is having success with a .223 is using hot loads under 90 grain VLD's, with some experimenting with the new Sierra 95s.
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