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Double Rifles, Single Shots & Combinations >> Single Shots & Combination Guns

TilleyMan
.333 member

Reged: 23/08/05
Posts: 272
Loc: Melbourne, Australia

Case taper, extraction... and the Martini Cadet
17/08/09 09:35 PM

Interested in people's thoughts on case taper and ease of extraction in the Martini Cadet based conversions?

I've always liked the idea of the .357 Max as the basis for a whole range of Cadet wildcats, and am keen on the idea of a .25/.357 Max... sort of a .256 Win Mag Improved using the increased case capacity. Quality brass (ie not Bertram) is much cheaper and easier to find than .222 Rimmed and a bit more punch in 25 cal... sort of a rimmed 250 Myra or 25 Copperhead.

I know first hand problems with sticky cases in the .222 Rimmed Cadets and I've no intention of going into the field with a cleaning rod to clear the chamber every third shot!

I think the Hornet and derivatives, the .32/20, .25/20 and.218 Bee and the .222 Rimmed fit the action very well, leaving a fairly safe chamber wall to barrel tenon thickness ratio. The .357 Mag has the largest case head size I'd be comfortable rechambering a Cadet action to... I know some people have done .30/30's in a Cadet and other variations on that case...

Even the .25/35 in my mind always looks a bit out of scale with that action (much better in a Martini Enfield), and I don't want to fiddle around with changing the block ramp angle or radius.

Case taper seems to be the issue with the Cadet's fairly marginal extraction... I know some of the old timer cartridges like the .25/35 have a pronounced case taper, just wondering how tapered a .25/357 Max case needs to be?

More taper than a .222 Rimmed seems like a good starting point!
But should it look like a mini .303/25

Cheers

TM

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Subject	Posted by	Posted on
Case taper, extraction... and the Martini Cadet	TilleyMan	17/08/09 09:35 PM
Re: Case taper, extraction... and the Martini Cadet	Tatume	17/08/09 10:08 PM
Re: Case taper, extraction... and the Martini Cadet	Otto	17/08/09 11:49 PM
Re: Case taper, extraction... and the Martini Cadet	DarylS	18/08/09 02:05 AM
Re: Case taper, extraction... and the Martini Cadet	xausa	18/08/09 05:16 AM
Re: Case taper, extraction... and the Martini Cadet	DarylS	18/08/09 11:15 AM
Re: Case taper, extraction... and the Martini Cadet	TilleyMan	18/08/09 11:53 AM
Re: Case taper, extraction... and the Martini Cadet	DoubleD	18/08/09 01:46 PM
Re: Case taper, extraction... and the Martini Cadet	TilleyMan	20/08/09 09:54 AM
Re: Case taper, extraction... and the Martini Cadet	TilleyMan	31/08/09 09:16 PM
Re: Case taper, extraction... and the Martini Cadet	DoubleD	01/09/09 01:34 AM
Re: Case taper, extraction... and the Martini Cadet	TilleyMan	01/09/09 08:37 PM
Re: Case taper, extraction... and the Martini Cadet	DoubleD	01/09/09 11:37 PM

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