30 Jirsa

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cdw56
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30 Jirsa

Post by cdw56 »

Does anyone know what this cartridge is?
bill28320
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Re: 30 Jirsa

Post by bill28320 »

If I remember correctly, it is based on the .223 case and is similar to the TCU series of cartridges. I remember reading an article many years ago detailing the building of a XP-100 based unlimited gun using this cartridge and the builders name was Terry Jursa. Hope this helps...

Bill
cdw56
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Re: 30 Jirsa

Post by cdw56 »

Thanks for the reply. It is Terry Lee Jirsa in Colorado.
I'm going to try to find out if he's still around.
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Re: 30 Jirsa

Post by 19 Turkeys »

I did a Google search on his name. His brother Doug died March 26, 2011. Doug's obituary stated that his brother Terry L. Jirsa survived him and lives in Durango, CO. That should give you enough information to find him.

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Re: 30 Jirsa

Post by Boomer »

19 Turkeys wrote:I did a Google search on his name.
Steve W.
Your Google-Fu is strong! =))
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Bob

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lionslair
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Re: 30 Jirsa

Post by lionslair »

bill28320 wrote:If I remember correctly, it is based on the .223 case and is similar to the TCU series of cartridges. I remember reading an article many years ago detailing the building of a XP-100 based unlimited gun using this cartridge and the builders name was Terry Jursa. Hope this helps...

Bill
6.5 mm TC/U is based on expanding the neck of the .223.
Martin
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