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Bench Rest Primers Reduce Groups By 25%

Discussion in 'Handloading and Reloading' started by vtail, May 2, 2013.

  1. vtail

    vtail Well-Known Member

  2. Don McDowell

    Don McDowell Well-Known Member

    Well they do help make smaller groups . But that price is just a few dollars less than what I paid for 5000 of them just before the big panic set in.... Sort of hope he chokes on em.
  3. Certaindeaf

    Certaindeaf member

    I think most benchresters use $18/1000 Tulammo primers.
  4. ArchAngelCD

    ArchAngelCD Well-Known Member

    I have 1000 of those CCI Benchrest primers sitting on my shelf for years and never found a use for them as of yet.
  5. gamestalker

    gamestalker member

    I used them most of the time years ago, and I did see a more consistent detonation when I tested them for flash against a standard CCI-200. But so far as being able to see a significant difference, or 25% better groups as he claims, I doubt it.
  6. 4895

    4895 Well-Known Member

    Should add they will reduce your wallet by 25% as well.

    These days, there ain't much in the way of a bad primer...
  7. TheSaint

    TheSaint Well-Known Member

    Someone help a reloading newbie out: What's the difference between a benchrest primer and a normal one?
  8. kyhunter

    kyhunter Well-Known Member

    benchrest primers are said to have a more consistent temperature and flash per lot or box than standard primers. Reducing extreme spread in velocities therefore more reliable velocities and impacts. I have never used them and doubt many people and their rifles shoot well enough to benefit from them.
  9. TheSaint

    TheSaint Well-Known Member

    Thanks for the education. ;)
  10. beatledog7

    beatledog7 Well-Known Member

    A 25% improvement?

    So, if I can shoot a 1" group with 3¢ primers, I can shoot a .75" group with 16¢ primers. That extra .25" of accuracy costs me 13¢ a trigger pull and effectively gains me nothing.

    What a deal.
  11. Walkalong

    Walkalong Moderator

    Back during the Clinton era primer shortage many folks ran out of Federal Match primers and started substituting standard Winchester small rifle primers (What they could find) in their loads. Many reported no discernible difference, and when the Fed Match primers were available again, some never went back.

    That said, match primers are a bit more consistent than standard primers. In a sport where one shot out of an aggregate can blow it for you, many want that little extra bit of peace of mind.
  12. Slamfire

    Slamfire Well-Known Member

    I talked to a bud whose job is calibration and gaging for Government ammunition plants.

    He says that match primer lots are picked out from unusually consistent lots of primers. Workers are given incentive pay if their primer cake is used in the match primers. But, the process of mixing primer cake is such that they cannot assure that each and every mixed lot has the consistency for match primers, it sounds as if extreme consistency is a hit or miss process.

    I do know that there are other variables, such as the amount of primer cake in the cup makes a difference in ignition, so there is more to making a good primer and the manufacturer’s are not letting that information out in the public domain.

    Most of the real good target shooters I shoot with use CCI Benchrest primers, so either the primers are good, or they are simply buying them because the box is stamped “Benchrest”. A bud of mine who has won National F class championships uses CCI Benchrest, Federal Match, and Russian primers. It all depends on the results of his load testing.

    I shot some Russian primers, testing the things, and they shot great.
    Last edited: May 3, 2013
  13. 45_auto

    45_auto Well-Known Member

    That pretty much depends on how important what you're trying to hit is to you, and how far away it is.
  14. ranger335v

    ranger335v Well-Known Member

    "Bench Rest Primers Reduce Groups By 25% "

    Anyone saying that will lie to you about other stuff too. At their best, and in BR rifles, they are only expected to reduce average groups slightly, no where near 25%. Few factory rifles, even those with after market barrels, will ever see any difference. But he's likely to sell a few bricks, proving that a fool and his money are soon parted.
  15. ArchAngelCD

    ArchAngelCD Well-Known Member

    From what I'm told the primer companies use their best and most experienced workers to make the Benchrest primers. That sounds like the most likely explanation, the people who do it well and have done it longest will probably make consistent primers. (at least in theory)
  16. Jesse Heywood

    Jesse Heywood Well-Known Member

    During the 08 scare I bought Federal match primers. Store had them for the same price a std CCI. Clerk asked why I was buying the match. My response was that if I had to pay too much for primers, I might as well get the better ones. That was when I learned about Federal's incompatibility with primer trays.
  17. jerkface11

    jerkface11 Well-Known Member

    According to my Speer book the only difference between regular primers and benchrest primers is the people on the assembly line have more experience.
  18. 4895

    4895 Well-Known Member

    I have heard the same thing. Personally, I feel that my loads shoot better with BR primers than others. I do have a few on-hand but save them for a rainy day and will continue to use std primers. There is so much to learn about handloading and benchrest shooting in general that they may be better left alone until I can utilize their potential.

    For anything competitive, whatever it may be, success is the culmination of many small differences that affect the whole.
  19. higgite

    higgite Well-Known Member

    Hot dog! I have another good excuse for my poor marksmanship. "It's the primers. Yeah, that's the ticket... the primers."
  20. ArchAngelCD

    ArchAngelCD Well-Known Member

    Soooo, that's your story and you're sticking to it, AAA!

    I like it!!!

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