Well, the board is either fixed, or it's going to run terribly. Cross your fingers and hope for the best. I'm at my technical limit right now.

Headspace 303 Brit = 30-40 Krag

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Hammerdown
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Headspace 303 Brit = 30-40 Krag

#1 Post by Hammerdown » Wed Apr 18, 2018 8:11 pm

I'm trying to remember, is the field gauge the same for 303 British and 30-40 Krag? I'm using a disk gauge to check an 1898 Springfield.
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Re: Headspace 303 Brit = 30-40 Krag

#2 Post by lloydiam » Wed Apr 18, 2018 8:48 pm

Yes they are the same, both have a Rim thickness of .064...............

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Re: Headspace 303 Brit = 30-40 Krag

#3 Post by Hammerdown » Wed Apr 18, 2018 10:57 pm

Thank you lloydiam. I just wanted to confirm I wasn't having a brainfart.
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Re: Headspace 303 Brit = 30-40 Krag

#4 Post by Tommy Atkins » Thu Apr 19, 2018 9:23 am

Also 7.62X54(R).

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Re: Headspace 303 Brit = 30-40 Krag

#5 Post by lloydiam » Thu Apr 19, 2018 12:43 pm

Tommy Atkins wrote:
Thu Apr 19, 2018 9:23 am
Also 7.62X54(R).
But, head space gauge specifically for the 7.62 Russian will NOT work in the Krag or the British, base is to fat, won't sit down in the chamber !..........

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Re: Headspace 303 Brit = 30-40 Krag

#6 Post by Tommy Atkins » Thu Apr 19, 2018 1:15 pm

OKIE will. others maybe not.

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