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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles

DarylS
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Reged: 10/08/05
Posts: 27753
Loc: Beautiful British Columbia, Ca...

Re: .376 Steyr final report.
07/06/11 01:15 AM

That load might be under 50,000CUP or CIP, but doubt very much it's under 50,000PSI. In that round, 48,000CUP is probably 55,000PSI.

The .376's maximum working pressure will probably be in the vicinity of 64,000PSI. It's capacity is just a couple grains higher than my .375/06IMP, which is 80gr. total water capacity.

I suspect 68.0gr.BLC2 might run some 2,650fps + from your barrel and tighten things up a bit. Your barrel seems a bit slow. 68.0gr. is what my 9.3x62 (78.0gr. capacity) likes and runs 2,675fps/270gr. in a 22" bl. That might be too high for some other 9.3x62's though as it's too high by 2gr. for my .375/06IMP - just goes to show you all rifles are different. I worked up to that from a 56.0gr. start.

What barrel length, Bonanza?

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

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Subject	Posted by	Posted on
.376 Steyr final report.	bonanza	06/06/11 10:33 PM
Re: .376 Steyr final report.	DarylS	07/06/11 01:15 AM
Re: .376 Steyr final report.	bonanza	07/06/11 02:05 AM
Re: .376 Steyr final report.	DarylS	07/06/11 02:18 AM
Re: .376 Steyr final report.	bonanza	19/06/11 09:54 PM
Re: .376 Steyr final report.	DarylS	20/06/11 01:01 AM

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