Headspace with brass filled with epoxy?
- Thread starter Mram10
- Start date
R
retired
Guest
what about diameters ?
more to a reamer than headspace
more to a reamer than headspace
jackie schmidt
New member
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.
MilGunsmith
Member
It will work, but why, when you can buy a proper HS gage for around $30.
R
retired
Guest
What's a "proper" hs gage? I order mine at .006 under SAAMI. Headspace is a choice, not a thing.
MilGunsmith
Member
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.
This rifle is built by me for me so don’t care about saami. Yes, it’s 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
As for proper hs gauges, I have had saami gauges from different companies that were not matching
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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
MilGunsmith
Member
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....
GeneT
Active member
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
GsT
LOL!!
yup
I thought it was him...…...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...…….a screeching noise if I recall.