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Double Rifles, Single Shots & Combinations >> Double Rifles

AussieMike
.300 member

Reged: 01/09/04
Posts: 236
Loc: Southern Tablelands, NSW, Aust...

Rim Thickness
06/03/05 08:50 PM

I need to know the rim thickness of:

375 H&H Flanged Magnum;
375 H&H Belted Magnum (just the rim behind the extractor groove, and;
375 2 1/2" NE (and also its rim diameter - COTW says .523 which seems small).

Having maligned Bertram Brass, possibly unfairly, it has occured to me that my case life problem may be head space related.

Rifle Cogswell and Harrison box lock non ejector converted from 375 2 1/2 to 375 H&H Flanged. Bertram cases last 2-3 firings whereas I get 8+ reloads from 375 H&H Belted cases when I lathe turn the rim off. I load 75gn AR2213 (H4831) under a 250gn projectile for 2450fps so it should be running under the 375 2/12" 17 tpi.

Thanks for any help.

mike

Post Extras

Entire topic
Subject	Posted by	Posted on
Rim Thickness	AussieMike	06/03/05 08:50 PM
Re: Rim Thickness	4seventy	07/03/05 11:13 AM
Re: Rim Thickness	AussieMike	07/03/05 04:58 PM
Re: Rim Thickness	unspellable	09/03/05 06:03 AM
Re: Rim Thickness	unspellable	10/03/05 03:18 AM
Are the 375 belted & 375 Flanged the same?	unspellable	10/03/05 03:25 AM
Re: Are the 375 belted & 375 Flanged the same?	4seventy	10/03/05 09:43 AM
Re: Are the 375 belted & 375 Flanged the same?	unspellable	10/03/05 10:19 AM
Re: Are the 375 belted & 375 Flanged the same?	4seventy	10/03/05 12:30 PM
Re: Are the 375 belted & 375 Flanged the same?	unspellable	11/03/05 12:51 AM
Re: Rim Thickness	pwm	06/03/05 11:14 PM
Re: Rim Thickness	AussieMike	07/03/05 08:09 AM
Re: Rim Thickness	475Guy	07/03/05 09:48 AM
Re: Rim Thickness	wombat	06/03/05 09:45 PM
Re: Rim Thickness	AussieMike	06/03/05 09:58 PM

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