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Old 12-07-2017, 08:01 PM   #71
1biggun
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I have had Spanish small rings in original 7mm and 308 that had lug set back.

I have seen reports were guys tried to blow them up and could not.

Personal experience has shown me the temper hardness varies a bunch on these.

While you don't see blown up 308 converted Spanish rifles much
I would not build a 308 or simular pressure/ thrust round.

I have a couple . I just passed on a 7mm with a Bubbafied stock
Nicely drilled and tapped for $100 last week.
I was considering a 44 bgm conversion on it.

90% of the stuff written on Spanish Mausers seems to be crap.
I don't think they were meant for cetme ammo either.
I base my opinion on seeing a couple with set back not chamber wear.
The lack of gas shrouding is a concern as well.
If things go bad it can cost you your face and eyes.
They do make a nice light rifle in 7mm mauser, 300 savage, 6.5 x55. The 45 bushmaster is pretty low pressure and thrust
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Old 12-07-2017, 09:22 PM   #72
cal50
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I love headspace threads and the mix of different ways people do it.
Tape on cases / no gauge/s , CIP Vs SAMMI gauges and how to use them,strip the bolt, etc.

There is also a false sense of security or assumption on matching numbers parts sets when they came with barrels. I built an AMD-65 from a like new parts set , matching barrel and bolt and when I put it together pinned the barrel and the bolt closed easily on my no-go CIP gauge. An easy fix but without gauges its guessing and was never likely right from the factory unless the Hungarians have different chamber standards.. LOTS of mix master parts sets and barrels floating around so its more interesting but the same process.

The only aspect of setting headspace I have mixed feeling on is using just a bolt in the trunnion closed on a gauge Vs bolt in carrier inserted and closed on gauge.
I have done it both ways and always do the final check with bolt in carrier, like its used.

The carrier centers the bolt stem , face and lugs while just putting it in the trunnion the bolt can tip but still gets you close to check the final fit, unless some idiot stoned or ground the lugs and it no longer makes even contact, like my original Polish underfolder bolt Bubba ruined on mine and needed replaced.
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Old 12-07-2017, 09:23 PM   #73
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Quote:
Originally Posted by OHVET View Post
[IMG][/IMG]
Uber rare ammo / sell it for $5 a round...........
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Old 12-07-2017, 09:52 PM   #74
gvguns
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Remind me not to shake hands with the guys in this thread who can displace steel with hand pressure.
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Old 12-07-2017, 09:58 PM   #75
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Quote:
Originally Posted by gvguns View Post
Remind me not to shake hands with the guys in this thread who can displace steel with hand pressure.
It's "hand pressure" + "mechanical advantage".

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Old 12-07-2017, 10:31 PM   #76
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That was right before Archimedes said
"Give me a hammer with a long enough handle and I can headspace any AK"
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