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

hubel458
.375 member

Reged: 13/02/04
Posts: 649
Loc: Brinton,MI-USA

Re: Huge 4 bore pump gun--
02/03/04 02:56 PM

Some more info about Tula 4 bore pump gun. Now the measurements we have found don't match the metric designation very close. I am wondering if someone
rebored and/or rechambered them..We found another one in
extreme NW upper Michigan.Will have some more pics to post later.He measured bore at .938.That is on the smaller end
of the scale for 4 bores.Ross's Evans is .975 and
Mickey's Imperial bullet is .983.
His is smooth bore. The choke
measures .888, which makes it quite a tight full choke.
Barrel is removable and the 4 locking lug bolt, locks into
the end of the barrel extension. All one piece with the barrel.You could build NE calber barrels and with that locking system, run bolt action pressures. Chamber is cut almost straight for paper or plastic case.About 1.050 for base and about 1.040 neck.Will get accurate measurements next couple weeks.He also had a brass case in his collection that was different than Mickey's
Imperial case, and wouldn't fit his gun either.He and Al both need cases, and getting these sises sorted out so we can build cases from 20mm brass, that can fit them and others, is really interesting.Ed.

--------------------
Ed Hubel

Edited by hubel458 (02/03/04 03:00 PM)

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Subject	Posted by	Posted on
Huge 4 bore pump gun--	hubel458	28/02/04 03:30 PM
Re: Huge 4 bore pump gun--	475Guy	29/02/04 01:19 AM
Re: Huge 4 bore pump gun--	hubel458	29/02/04 01:32 PM
Re: Huge 4 bore pump gun--	475Guy	29/02/04 02:40 PM
Re: Huge 4 bore pump gun--	hubel458	29/02/04 03:40 PM
Re: Huge 4 bore pump gun--	hubel458	02/03/04 02:56 PM
Re: Huge 4 bore pump gun--	RNS	02/03/04 04:52 PM
Re: Huge 4 bore pump gun--	hubel458	05/03/04 12:40 PM
Re: Huge 4 bore pump gun--	hubel458	06/03/04 03:37 PM
Re: Huge 4 bore pump gun--	hubel458	09/03/04 02:54 PM
Re: Huge 4 bore pump gun--	475Guy	09/03/04 03:13 PM
Re: Huge 4 bore pump gun--	hubel458	09/03/04 06:35 PM
Re: Huge 4 bore pump gun--	475Guy	10/03/04 02:48 AM
Re: Huge 4 bore pump gun--	hubel458	14/03/04 02:33 PM
Re: Huge 4 bore pump gun--	BGReed	15/03/04 04:00 AM
Re: Huge 4 bore pump gun--	Robgunbuilder	15/03/04 05:40 AM
Re: Huge 4 bore pump gun--	hubel458	15/03/04 08:18 AM
Re: Huge 4 bore pump gun--	hubel458	15/03/04 05:33 AM
Re: Huge 4 bore pump gun--	hubel458	03/03/04 09:40 AM

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