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Thread: Federal match primers

  1. #1
    Join Date
    Jan 2010
    Posts
    129

    Federal match primers

    Now that the 205 federal match primers seem to be unavailable, I see a listing for federal AR small rifle 205 primers, are they the same? I hope to get an answer before I pay the extortion price on gunbroker!!

  2. #2
    Join Date
    Feb 2013
    Posts
    11

    Federal Match Primers

    Do not buy the 205AR just buy the standard 205's. I have shot both 205m's and the 205's with no difference noticed.

  3. #3
    Join Date
    Feb 2003
    Location
    Tennessee
    Posts
    4,415
    +1

  4. #4
    Join Date
    Nov 2006
    Posts
    1,223

    Or buy

    Winchester small rifle or Remington 7.5s

  5. #5
    Join Date
    Jun 2012
    Location
    West central NH
    Posts
    290

    Difference in AR primers

    I am told they have a harder cup to help prevent slam fires. I have never had a slam fire using regular 205 primers.

  6. #6
    Join Date
    Jan 2005
    Location
    Central Arkansas
    Posts
    535
    A local gun shop has some Federal GMM small AR primers.

    Anyone has any experience with these is a accurate bolt gun?

  7. #7
    Join Date
    Jun 2004
    Posts
    766
    Quote Originally Posted by Travelor View Post
    A local gun shop has some Federal GMM small AR primers.

    Anyone has any experience with these is a accurate bolt gun?
    I use CCI 41s, which are similar and made for AR type rifles in a 6 Beggs, Remington action. They shoot very well for me. I chose to use them as the 6 Beggs load I use is very warm and I was getting cratered primers with BR-4s. The harder cup works well.

    Rick

  8. #8
    Join Date
    Jul 2007
    Location
    S.E. MI
    Posts
    1,923
    I flip flop between 205, 205M and Win SR. Scores are about the same....

  9. #9
    Join Date
    Mar 2017
    Posts
    71
    Because of the geometry of the ar bolt, and carrier, it is impossible to get a slam fire.
    The firing pin cannot touch the primer till the bolt is fully closed.
    ( The one exception is a broken /stuck firing pin in the bolt face.)

    There have been marginal primers in the past.
    There have been loads used in ar's that were probably
    over the top.
    Mix the two and you can get primer failures
    Do your own(poor) trigger work and anything can happen


    Quote Originally Posted by vtmarmot View Post
    I am told they have a harder cup to help prevent slam fires. I have never had a slam fire using regular 205 primers.
    Last edited by sandiego1948; 05-21-2017 at 01:09 PM.

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