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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing
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akjeff
.300 member


Reged: 20/01/04
Posts: 121
Spanish proof marks
      02/01/10 09:53 AM

Hello all. Been away from the forum for a while. Finally got set up with a lathe and mill, and ready to try a conversion project.

I have a Ugartechea 10ga, that I'm considering for a basis for a .450 #2 NE. It's a circa 1989 gun, and has no third fastener, just double underlugs. It has the Spanish proof mark of a BP inside a shield, which, according to the Directory of Proofmarks means 12, 090 psi. In addition, the flats are stamped 1000 Kp/cm2. Trying figure out what that converts to in psi. I think it's 14,500 psi, but not convinced. Will then have to crunch the numbers to see if the breech pressure is compatible. Any thoughts on this? I've emailed Ugartechea, as to the proof pressure of this gun, but still awaiting a reply.

Thanks,

Jeff

Edited by akjeff (02/01/10 02:04 PM)

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Entire topic
Subject Posted by Posted on
* Spanish proof marks akjeff 02/01/10 09:53 AM
. * * Re: Spanish proof marks DoubleD   02/01/10 01:43 PM
. * * Re: Spanish proof marks akjeff   02/01/10 02:24 PM
. * * Re: Spanish proof marks Bramble   02/01/10 02:51 PM
. * * Re: Spanish proof marks akjeff   02/01/10 03:35 PM
. * * Re: Spanish proof marks Bramble   02/01/10 04:11 PM
. * * Re: Spanish proof marks akjeff   02/01/10 04:56 PM
. * * Re: Spanish proof marks Bramble   03/01/10 02:30 AM
. * * Re: Spanish proof marks akjeff   03/01/10 04:38 AM
. * * Re: Spanish proof marks AkMike   08/01/10 12:23 AM
. * * Re: Spanish proof marks akjeff   08/01/10 02:17 AM
. * * Re: Spanish proof marks AkMike   09/01/10 06:47 PM
. * * Re: Spanish proof marks akjeff   10/01/10 03:58 AM
. * * Re: Spanish proof marks AkMike   10/01/10 05:38 AM
. * * Re: Spanish proof marks akjeff   10/01/10 01:00 PM
. * * Re: Spanish proof marks vikram   15/01/10 11:03 AM

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