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#6646734 - 07/02/12 07:58 AM New 7mm Wildcat
TMR Offline
Campfire Regular

Registered: 11/17/06
Posts: 280
Loc: Western Washington
Thanks to Dober and Bob, I played with the 7 Mashburn a little and it helped develop my new wildcat 7mm. There were a couple things I didn't like about a straight 7/300WM, mainly the short neck. A RUM case gave to much case capacity and wouldn't work well with "extreme" powders, 375 Ruger case was a pain to neck and form.

I found that there was a fairly common relationship between neck length, bullet diameter and shoulder angle on the recent "accuracy" cartridges. I new what the Mashburn and 7 Rem Mag would run for velocity when I changed the throat angle and length for the VLD bullets. So I applied all this info to my design based on the readily available 300WM case. The design gives a few grains capacity over the Mashburn, and like the Mashburn, is very forgiving to load for. The result was, a 180 Berger at 3200fps in a 27" barrel. So far the test batch of brass has been loaded 9 times and the primer pockets are still tight. Now I can put the "real" rifle together with our new stock design and continue "testing" during hunting season!

Do I think its better than a Mashburn? Still torn on that one. The Mashburn has history, nostalgia, and panache. This is just another option that gives a little boost. I will continue to build both!

Here are some pics of the 7mm Rogue on the left vs a 7 Rem Mag on the right.

Accuracy


Test Rifle

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#6646750 - 07/02/12 08:02 AM Re: New 7mm Wildcat [Re: TMR]
ironeagle_84 Offline
Campfire 'Bwana

Registered: 08/30/08
Posts: 10241
Loc: grants pass, oregon
i like it! nice looking set up too.
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#6646791 - 07/02/12 08:16 AM Re: New 7mm Wildcat [Re: ironeagle_84]
hillbillybear Offline
Campfire Kahuna

Registered: 12/31/02
Posts: 21358
Loc: Western NC
Its a 7mm Mashburn Improved. grin


Nice looking cartridge and rifle. cool
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#6646849 - 07/02/12 08:33 AM Re: New 7mm Wildcat [Re: hillbillybear]
TMR Offline
Campfire Regular

Registered: 11/17/06
Posts: 280
Loc: Western Washington
Originally Posted By: hillbillybear
Its a 7mm Mashburn Improved. grin


Nice looking cartridge and rifle. cool



Slightly different shoulder angle, neck length and body taper. So I guess it could be a Mashburn Improved.

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#6646862 - 07/02/12 08:36 AM Re: New 7mm Wildcat [Re: TMR]
Tanner Offline
Campfire Outfitter

Registered: 02/28/11
Posts: 9610
Loc: High Country Colorado
I want one!

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#6646876 - 07/02/12 08:41 AM Re: New 7mm Wildcat [Re: Tanner]
Heeler Offline
Campfire Regular

Registered: 02/03/09
Posts: 721
Loc: Cass Co, MO
That looks really sweet!

Have you by chance tried it with any other bullets or set it up to be an "exclusive" for VLDs?
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He went over yonder way

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#6646902 - 07/02/12 08:49 AM Re: New 7mm Wildcat [Re: TMR]
roundoak Online   content
Campfire Guide

Registered: 12/25/09
Posts: 4922
Loc: Badger State
I admire your ingenuity.
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#6646914 - 07/02/12 08:52 AM Re: New 7mm Wildcat [Re: Heeler]
Danny1788 Offline
Member

Registered: 03/29/11
Posts: 206
Loc: Central Coast, CA
Travis whats the stock look like? any pics of them?

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#6646924 - 07/02/12 08:56 AM Re: New 7mm Wildcat [Re: roundoak]
TMR Offline
Campfire Regular

Registered: 11/17/06
Posts: 280
Loc: Western Washington
I haven't run it with any lighter bullets yet. I will now that I know it works well with the 180's, I'll run some 160's through it. I would project around 3300 with the 160 class bullets.

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#6646927 - 07/02/12 08:57 AM Re: New 7mm Wildcat [Re: TMR]
TMR Offline
Campfire Regular

Registered: 11/17/06
Posts: 280
Loc: Western Washington
Still waiting on the new stock...it is a joint project with Manner's. Should have it in the next week or so hopefully

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