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Thread: Buttress Thread Pitch on Mauser Bolt Shroud

  1. #1
    Boolit Master


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    Buttress Thread Pitch on Mauser Bolt Shroud

    Anybody know what the pitch of the threads are on the bolt shroud?

  2. #2
    Boolit Master
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    I do not know off the top of my head what the thread size or pitch is on a Mauser bolt sleeve.
    Anytime I had a bolt body that was kind of rough or tight , I put some grinding compound or polish on my Bolt Heat Sink threads and worked it in and out a few times.
    It smoothed things up really easily.
    I also had to Lap some bolt sleeves in the bolt body to smooth things out also.

  3. #3
    Boolit Grand Master



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    Last edited by M-Tecs; 10-26-2021 at 10:51 PM.
    2nd Amendment of the U.S. Constitution. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

    "Before you argue with someone, ask yourself, is that person even mentally mature enough to grasp the concept of different perspectives? Because if not, there’s absolutely no point."
    – Amber Veal

    "The Highest form of ignorance is when your reject something you don't know anything about".
    - Wayne Dyer

  4. #4
    Boolit Buddy
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    O.D. .528" - .530"
    2MM Per Thread
    60 degree angle
    90 to 86 degree vertical face
    With a very small flat in the bottom and crest

    As per the copy of the old Obendorf Print I have, and all the thousands of sleeves I have machined since 1985

    J Wisner
    Last edited by James Wisner; 10-27-2021 at 03:35 PM.

  5. #5
    Boolit Master


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    Made a heat sink today and used 13TPI and it fits!

  6. #6
    Boolit Master
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    Good work.
    Like I always say,
    " Why Buy , When you can Build "

  7. #7
    Boolit Master


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    Quote Originally Posted by LAGS View Post
    Good work.
    Like I always say,
    " Why Buy , When you can Build "
    Great minds think alike!

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check