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Thread: Headspace with brass filled with epoxy?

  1. #1
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    Headspace with brass filled with epoxy?

    I want to full length size a round, fill it with epoxy and headspace adding .002. Pros and cons?

  2. #2
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    what about diameters ?
    more to a reamer than headspace

  3. #3
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    Quote Originally Posted by Mram10 View Post
    I want to full length size a round, fill it with epoxy and headspace adding .002. Pros and cons?
    I have done this several times. My 30-06 headspace Gage is a new Lapua Cast filled with JB Weld. I use a thin piece of paper, about .002, to set the headspace.

  4. #4
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    It will work, but why, when you can buy a proper HS gage for around $30.

  5. #5
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    Guessing
    to fit to his die( per big al)
    but that is only length, not diameters.

    Quote Originally Posted by MilGunsmith View Post
    It will work, but why, when you can buy a proper HS gage for around $30.

  6. #6
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    Quote Originally Posted by MilGunsmith View Post
    It will work, but why, when you can buy a proper HS gage for around $30.
    What's a "proper" hs gage? I order mine at .006 under SAAMI. Headspace is a choice, not a thing.

  7. #7
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    Quote Originally Posted by alinwa View Post
    What's a "proper" hs gage? I order mine at .006 under SAAMI. Headspace is a choice, not a thing.
    There is such a thing called SAAMI, if you build a gun for sale it should fall within their specs. Ammo is made to a spec. The idea is that ammo will interchange with guns. I get my HS gages at work in .001" increments, so we can actually measure the HS, not just GO or NO-GO. For example, 7.62mm Nato, the EPVAT barrel is chambered to 1.628" and the M700 accuracy barrel is set at 1.630" which is SAAMI min. The 1.628" is to allow for the clearance in a Universal Receiver.

  8. #8
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    This rifle is built by me for me so donít care about saami. Yes, itís to fit the die with .002 clearance. Sure, I could adjust the die or shave the case holder, but I was just curious. Good discussion guys

    As for proper hs gauges, I have had saami gauges from different companies that were not matching
    Last edited by Mram10; 06-17-2018 at 12:40 AM.

  9. #9
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    Quote Originally Posted by Mram10 View Post
    This rifle is built by me for me so donít care about saami. Yes, itís to fit the die with .002 clearance. Sure, I could adjust the die or shave the case holder, but I was just curious. Good discussion guys

    As for proper hs gauges, I have had saami gauges from different companies that were not matching
    OK...... so IMO forego the epoxy. I've sent cases filled with lead an epoxy out to other gunsmiths to use as headspace gages but for my own stuff I headspace right on random cases from a box of brass. Saves a lot of heartache and unnecessary work just cram the cases in for a nice jam and fire.

    Yes, I too have 'GO' gages .003 apart

  10. #10
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    Quote Originally Posted by Mram10 View Post
    This rifle is built by me for me so donít care about saami. Yes, itís to fit the die with .002 clearance. Sure, I could adjust the die or shave the case holder, but I was just curious. Good discussion guys

    As for proper hs gauges, I have had saami gauges from different companies that were not matching
    Just make sure barrel is well marked with chamber information. It can save a future owner many headaches.

  11. #11
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    Quote Originally Posted by MilGunsmith View Post
    Just make sure barrel is well marked with chamber information. It can save a future owner many headaches.
    Too True!

    I once had a barrel chambered and marked '.268nk 6br Match' by a gunsmith.....

    Thinking nothing of it I made up brass and started shooting...... WILD pressure spikes!

    Long story but in the end I requested a reamer print (which he didn't want to supply) so I mentioned I'd call the reamer maker and he finally, GRUDGINGLY sent me a print... while mentioning "Ohhh, I forgot, that reamer is also .010 short in the neck for case prep"

    !!!!


    1.550 length reamer.....


    That's one of the reasons I started buying my own reamers, and using gunsmiths who not only supplied reamer prints if asked they also took the time to have a conversation re what to put on the barrel. COMPLETE description mandatory.


    Now that I'm building them I write a friggin' note on the barrel....

  12. #12
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    Quote Originally Posted by alinwa View Post
    Too True!

    I once had a barrel chambered and marked '.268nk 6br Match' by a gunsmith.....

    Thinking nothing of it I made up brass and started shooting...... WILD pressure spikes!

    Long story but in the end I requested a reamer print (which he didn't want to supply) so I mentioned I'd call the reamer maker and he finally, GRUDGINGLY sent me a print... while mentioning "Ohhh, I forgot, that reamer is also .010 short in the neck for case prep"

    !!!!


    1.550 length reamer.....


    That's one of the reasons I started buying my own reamers, and using gunsmiths who not only supplied reamer prints if asked they also took the time to have a conversation re what to put on the barrel. COMPLETE description mandatory.


    Now that I'm building them I write a friggin' note on the barrel....

    That wouldn't be Old Ham-Handed would it?

  13. #13
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    I make a pretty thorough assessment of anything I get that's not obviously a factory job. Before firing I try to measure the neck diameter, headspace, and neck length. I've never bought a benchrest rifle, but I bought an '03-A3 that was chambered in something I've never identified! Caveat emptor!

    GsT

  14. #14
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    Quote Originally Posted by lngrng View Post
    That wouldn't be Old Ham-Handed would it?

    LOL!!


    yup



  15. #15
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    Quote Originally Posted by alinwa View Post
    LOL!!


    yup


    I thought it was him...Ö...seems there was a shorter version of the 6BR when it first came out. Caused a lot of problems 'till the 6BR was standardized.

    You actually referred to him as a gunsmith??? I like the story you told me about surprising him at the lathe and him screwing up the bolt on your brothers(?) rifle...ÖÖ.a screeching noise if I recall.

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