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  1. G

    22lr Bullet Lubrication and Accuracy

    Eley says the lubricant is primarily for easy chambering, not lubricating the bore. Does any other match ammo manufacturer -- or anyone else for that matter -- make a similar assertion, that bullet lubrication is primarily for easy chambering rather than lubricating the bore? There is...
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    The whole box at 100 yards

    All things being equal, the JBM calculator shows that an ES of 33 fps would theoretically have about 0.88" of vertical dispersion. An ES of 75 fps would give about 1.94" of vertical, again with all things being equal. In neither case is the vertical dispersion shown on the target predicted by...
  3. G

    The whole box at 100 yards

    If lubricant was so unimportant, why not try shooting four or more boxes of unlubed ammo one after the other without bore cleaning. How does the accuracy performance change? How does bore condition change? That might address more fully the question of whether lube has a purpose.
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    22lr Bullet Lubrication and Accuracy

    Regarding the bore after 50 rounds without lube, it may appear that there's some leading closer to the breech end but further away from the chamber there isn't anything to be concerned about -- at least with only 50 rounds. If the rifle chambers non-lubricated rounds easily and without problem...
  5. G

    22lr Bullet Lubrication and Accuracy

    In the webpage that inspired j.a.'s comparison, Eley indicated that the primary purpose of lube "is to ease repeated chambering". It's not to improve or assist accuracy. https://eley.co.uk/waxing-lyrical-about-22lr-lubricants-beeswax-or-paraffin-wax/ Did you find a noteworthy difference in...
  6. G

    Fast Twist- where are we?

    When a barrel can shoot "any random lot of Center-X" to produce at least .6 MOA (about .314" center-to-center or no more than about 13.5mm outside-to-outside) ten-shot group averages at 50 yards, it's an incredible thing. For that particular barrel there is no such thing as a bad lot of CX...
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    Ammo testing at Mesa Lapua center question regarding elevation

    More specifically, this is what those particular rounds did at the test center. The next group may be different. What's important is how consistently the rounds in the lot will perform, whether at the test center or at the range. Even a lot that doesn't perform especially well is capable of...
  8. G

    Barrel length, velocity, and vertical, oh [**]

    Are you aware of any verifiable testing that's been published in print or online to confirm that longer barrels produce better SD and ES numbers?
  9. G

    Lothar Walther pre fit Drop in 22lr barrel

    It's possible that rather than the amount of engraving on the bullet being responsible for unsatisfactory results on target, the SK ammo itself is the problem. At best it's entry-level match ammo and can't be relied on for consistent results.
  10. G

    Tooling marks in bore

    Is the reduction or elimination of reamer marks in the barrel the only purpose of lapping? If lapping is a criteria of a "match barrel" it would seem to exclude barrels on rifles made by Anschutz, probably Walther and FWB also.
  11. G

    Tuner question for guys with 1.2” or heavier straight contour barrels.

    It's possible that a very heavy barrel will have too much "sag" due to weight that it's difficult or imposssible for a tuner to work effectively. For example, many Anschutz shooters report that the Anschutz heavy barrels, which are 69cm (27.2 inches) long and 24mm (0.945 inches) in diameter...
  12. G

    Tooling marks in bore

    What, then, is a "match barrel"?
  13. G

    What is lapua smoking ?

    Max is correct. The ammo manufacturing plant has a responsibility to make money for its owners. This can be achieved by maximizing production and giving consumers what they want. Match .22LR ammo has a higher level of demand than ever before, thanks largely to the rapidly and continuing...
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    CZ457 Lilja barrel headspace

    Set headspace at .043". It's what CIP and SAAMI specs call for. Setting it to something else isn't a shortcut to better performance.
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    Whats the best of the cheaper ammunition? Eley Target example

    You're too dogmatic. Eley Match ammo is .22LR "match ammo". It's produced on the same production run as is Tenex. However Eley does it, they grade the output of a run into three varieties -- Tenex, Match, and Team. All are "match ammo" regardless of how they perform. Some lots of "match...
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    Whats the best of the cheaper ammunition? Eley Target example

    Entry level .22LR match ammo can usually be relied on to have a number of inconsistent rounds in every box, no matter the brand or variety. Like all match ammo, performance will vary by lot.
  17. G

    Eley match consistency

    Indeed. At the same time, if anyone reading this thread has experience in the mass production of something similar, they may be able to confirm your doubts. Anyone? Of course in this case if there remains an absence of evidence from another field or the absence of confirmation of your...
  18. G

    Eley match consistency

    It should be expected that all match ammo makers would provide a grading by testing-only response. Since grading and manufacturing processes are kept to themselves, they would not publicly acknowledge anything else. Is it realistic to believe that with decades of experience the ammo makers...
  19. G

    Eley match consistency

    The explanation offered above makes perfect sense for entry level match ammos (e.g. Eley Club and Target and SK Rifle Match and Standard +) and lesser quality fare where there may well be indifferent assembly of indifferent components by indifferent workers. The goal is quantity with some...
  20. G

    Eley match consistency

    The hypothetical batch comes off the production line that produces match ammo. That's one lot of ammo. Is its grade determined solely by shooting? With both Eley and Lapua the entire production run putatively begins as Tenex or X-Act. Since the production run obviously isn't equal, it is...
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