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Shooting & Reloading - Mausers, Big Bores and others >> Mauser Discussion Forum

Wedgetail
.275 member

Reged: 22/07/20
Posts: 75
Loc: Australia- NSW

Re: 7x57 Type B Oberndorf style build
24/07/20 05:04 PM

Ok chasing a little more advice - When cutting the barrel threads, the general consensus is to make the tenon the correct length so the inner C ring and outer leading edge contact their respective surfaces at the same time, maybe a thou or two one way depending on who you speak to. HOWEVER, these model Bs (as spud’s diagram shows) are like the military barrels in that their shoulder OD is essentially the same as the thread diameter. Meaning there is no shoulder to seat against. In general, the inner C ring isn’t 100% square (mine is 0.004” out cf the leading edge, which is 0.002” out). It seems unusual for people to lap the inner C ring, but not unheard of.

So, what is the standard for installing k98 or model B type barrels that have no shoulder? Do you lap the inner C ring to be 100% square? Do you not worry about 0.002”? Do I try and obtain (or make) a C ring lapping tool? Other option is I could get the shoulder say 0.050” - 0.100” wider to give it a shoulder - wouldn’t probably be overly noticeable. Then I could cut the tenon say 0.002” short and have most of the bearing surface on the (easily squared) leading edge)? I won’t be scoping this rifle, will the difference be noticeable? I doubt the inner rings wear, so I assume they wouldn’t have minded the 0.002” discrepancy at the oberndorf factory.

Edited by Wedgetail (24/07/20 05:07 PM)

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Subject	Posted by	Posted on
7x57 Type B Oberndorf style build	Wedgetail	22/07/20 08:45 PM
Re: 7x57 Type B Oberndorf style build	Rothhammer1	23/07/20 01:42 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	23/07/20 07:53 AM
Re: 7x57 Type B Oberndorf style build	Rothhammer1	23/07/20 02:49 PM
Re: 7x57 Type B Oberndorf style build	Spud303	23/07/20 04:13 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	24/07/20 06:02 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	24/07/20 04:15 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	24/07/20 05:04 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	24/07/20 06:30 PM
Re: 7x57 Type B Oberndorf style build	Spud303	24/07/20 07:17 PM
Re: 7x57 Type B Oberndorf style build	metal	24/07/20 08:05 PM
Re: 7x57 Type B Oberndorf style build	vykkagur	25/07/20 01:53 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	28/07/20 06:38 AM
Re: 7x57 Type B Oberndorf style build	Huvius	28/07/20 08:08 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	28/07/20 07:31 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	09/07/22 03:28 PM
Re: 7x57 Type B Oberndorf style build	NitroX	09/07/22 11:03 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	10/12/22 09:41 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	15/01/23 01:20 PM
Re: 7x57 Type B Oberndorf style build	DarylS	15/01/23 02:02 PM
Re: 7x57 Type B Oberndorf style build	metal	15/01/23 09:03 PM
Re: 7x57 Type B Oberndorf style build	93x64mm	15/01/23 10:35 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	02/06/23 07:36 PM
Re: 7x57 Type B Oberndorf style build	bwanabobftw	03/06/23 07:14 AM
Re: 7x57 Type B Oberndorf style build	93x64mm	03/06/23 08:01 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	10/09/23 01:17 PM
Re: 7x57 Type B Oberndorf style build	93x64mm	11/09/23 06:31 AM
Re: 7x57 Type B Oberndorf style build	Rothhammer1	29/07/20 03:51 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	31/07/20 07:34 AM
Re: 7x57 Type B Oberndorf style build	Rothhammer1	10/11/20 11:37 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	12/11/20 05:49 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	28/12/20 07:17 PM
Re: 7x57 Type B Oberndorf style build	Nailcreek	19/01/21 01:13 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	19/01/21 09:34 PM
Re: 7x57 Type B Oberndorf style build	93x64mm	19/01/21 10:41 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	15/08/21 07:56 AM
Re: 7x57 Type B Oberndorf style build	Huvius	29/07/20 07:42 AM
Re: 7x57 Type B Oberndorf style build	Rothhammer1	29/07/20 07:53 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	31/07/20 08:04 AM
Re: 7x57 Type B Oberndorf style build	Rothhammer1	31/07/20 01:30 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	03/08/20 06:46 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	04/08/20 07:17 PM
Re: 7x57 Type B Oberndorf style build	93x64mm	04/08/20 10:17 PM
Re: 7x57 Type B Oberndorf style build	Marrakai	05/08/20 09:15 AM
Re: 7x57 Type B Oberndorf style build	Rothhammer1	05/08/20 02:55 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	06/08/20 08:45 PM
Re: 7x57 Type B Oberndorf style build	themauserkid	07/08/20 12:05 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	08/08/20 07:08 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	13/08/20 07:21 AM
Re: 7x57 Type B Oberndorf style build	Marrakai	13/08/20 10:15 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	14/08/20 06:55 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	14/08/20 07:03 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	14/08/20 08:05 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	24/08/20 10:05 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	08/09/20 10:10 AM
Re: 7x57 Type B Oberndorf style build	Waidmannsheil	08/09/20 11:35 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	09/09/20 06:23 AM
Re: 7x57 Type B Oberndorf style build	themauserkid	09/09/20 10:31 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	09/09/20 05:54 PM
Re: 7x57 Type B Oberndorf style build	kodiak	10/09/20 08:05 PM
Re: 7x57 Type B Oberndorf style build	aromakr	13/09/20 05:10 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	13/09/20 08:40 PM
Re: 7x57 Type B Oberndorf style build	themauserkid	14/09/20 03:26 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	20/09/20 08:14 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	10/11/20 07:12 PM
Re: 7x57 Type B Oberndorf style build	themauserkid	29/07/20 05:02 AM
Re: 7x57 Type B Oberndorf style build	themauserkid	29/07/20 03:02 AM
Re: 7x57 Type B Oberndorf style build	Rothhammer1	29/07/20 08:45 PM
Re: 7x57 Type B Oberndorf style build	themauserkid	29/07/20 11:23 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	31/07/20 08:00 AM
Re: 7x57 Type B Oberndorf style build	Rothhammer1	28/07/20 08:06 AM
Re: 7x57 Type B Oberndorf style build	Rothhammer1	23/07/20 04:46 PM
Re: 7x57 Type B Oberndorf style build	Rothhammer1	23/07/20 05:19 PM
Re: 7x57 Type B Oberndorf style build	MikeRowe	23/07/20 08:07 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	23/07/20 11:56 AM
Re: 7x57 Type B Oberndorf style build	Spud303	23/07/20 10:18 AM
Re: 7x57 Type B Oberndorf style build	Wedgetail	23/07/20 11:55 AM
Re: 7x57 Type B Oberndorf style build	93x64mm	22/07/20 09:49 PM
Re: 7x57 Type B Oberndorf style build	xausa	22/07/20 11:25 PM
Re: 7x57 Type B Oberndorf style build	Wedgetail	23/07/20 07:31 AM

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