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275 h&h

 
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  #1  
Old 09-09-2012, 12:37 AM
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Location: In the heart of the Giant Redwoods, Gods country-Northern California the real NORCAL not san fran
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275 h&h

Friends, I am considering building a M70 in 275 H&H simply because I have 4 7mm mags in the safe. My issue with it so far is Midway shows bullets for it are .288 and Ammoguide shows the neck as .284. Elk Ridge chamber reamers lists it in the .284 group, and they donot have a .288 group. I most likely will do a barrel set-back however, I have a M70 DBM and if I decide to build on that one I will definitely re-barrel.
Any input will be greately appreciated

Thanx Curtis
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Old 09-09-2012, 03:08 PM
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Re: 275 h&h

PTG also sells the reamer. They will often provide a print if there's any question.

-- richard
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Old 09-14-2012, 08:42 AM
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Re: 275 h&h

Unless I am terribly mistaken, the original .275 H & H was nothing more than the 7mm Mauser.

If you are referring to necking-down the .375 Mag's neck to 7mm, the 7mm STW is the same thing, with the shoulder blown out to maximize powder capacity.
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Old 09-14-2012, 02:47 PM
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Re: 275 h&h

not meaning to be rude Sir, but you are terribly mistaken. You can review the specs of the 275 H&H belted magnum at AMMOGUIDE.COM.
Thank you for your assistance Curtis
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Old 09-14-2012, 07:35 PM
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Re: 275 h&h

Quote:
Originally Posted by Joaquin B View Post
Unless I am terribly mistaken, the original .275 H & H was nothing more than the 7mm Mauser.



If you are referring to necking-down the .375 Mag's neck to 7mm, the 7mm STW is the same thing, with the shoulder blown out to maximize powder capacity.
I think your thinking of the 275 rigby, same cartridge as 7x57 mauser. I've read the English were trying to disassociate from the HUNS w/the great war kinda not leaving a favorable feeling towards germans.

Or a 8mm necked down & more commonly used, I believe.

Back to O.P. curious why 275 H&H mag? Just something different or is there a gain in throat life or other?

Gene
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  #6  
Old 09-14-2012, 09:38 PM
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Re: 275 h&h

The first Belted magnum in 7mm cal was the 275 H&H. It came about in 1910 for the crown prince of Bhopal. Where that is I don't know. The first belted case was the .400/375 H&H belted express derived from Henery Holland's British pat. # 27,912 Dec 4,1904. The second belted case was the .275 H&H. You have picked a great round! You can take that from me. My last name is Holland.
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Old 09-15-2012, 07:16 AM
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Re: 275 h&h

Thanks for the corrections! The best thing about these forums is that we all learn someting new every day!
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