.303 head space gauges

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#1 Post by **Alpha1** » Mon Oct 26, 2020 12:01 am

Anyone got a set of headspace gauges for .303 they will part with or any info on where I could locate a set.
Also interested in a set of 7.62x54r.

#2 Post by **snayperskaya** » Mon Oct 26, 2020 1:15 pm

If you can't find a set they are easy enough to make, both cartridges headspace on the rim so it makes things a lot simpler.

A set of 54r gauges I made myself, it also includes a Mosin firing pin protusion gauge I made from an old .223 case........

#3 Post by **dromia** » Mon Oct 26, 2020 3:19 pm

I headspace .303 British in Enfield actions with feeler gauges, the extractor bits need removing to give a clear bolt face.

#4 Post by **Alpha1** » Mon Oct 26, 2020 4:11 pm

dromia wrote:I headspace .303 British in Enfield actions with feeler gauges, the extractor bits need removing to give a clear bolt face.

Good idea I never thought of that.

#5 Post by **snayperskaya** » Mon Oct 26, 2020 11:54 pm

In the pic below the circled items are a case head with a rim of a known thickness and three pieces of feeler gauge stock, each of a different thickness, that when used together work as a Go/No-Go/Field gauge.

The case head has a magnet in the primer pocket that holds the case head/feeler gauge combo to the bolt face and the case head/rim has a cut out so it can be used without the need to remove the extractor as it is quite easy to snap a Mosin extractor on removal if you aren't careful.

The three disc gauges also have a cut out for the extractor.

#6 Post by **Alpha1** » Tue Oct 27, 2020 1:04 am

I really nice job thanks for the input but I don't think they would work for what I have in mind.

#7 Post by **snayperskaya** » Tue Oct 27, 2020 1:15 am

Alpha1 wrote:I really nice job thanks for the input but I don't think they would work for what I have in mind.

What is it you have in mind?.....

#8 Post by **Alpha1** » Thu Jul 08, 2021 10:57 pm

Still looking.

#9 Post by **Dark Skies** » Fri Jul 09, 2021 1:14 am

These any good?

https://www.ebay.co.uk/itm/192867119921 ... Sw8d9U1ohf

https://www.ebay.co.uk/itm/284353839166 ... SwJf9g3Iq4

#10 Post by **ovenpaa** » Fri Jul 09, 2021 6:25 pm

If you are thinking of using such gauges to check for Proof submissions they will fail. You will need CIP gauges manufactured specifically by Triebel or to the Triebel interpretation of the CIP standard.

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.303 head space gauges

.303 head space gauges

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