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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

Re: Case taper, extraction... and the Martini Cadet
31/08/09 09:16 PM

Spent a bit of time sectioning some cases suitable for the Martini Cadet... nice change from 9.3mm bullets

As you will see below. the .222 Rimmed (original Australian Super brand) has a quite thick web vs the 357 Max... and lastly a .223 case for comparison.

Look at the brass thickness just below the primer cup on the .357 Max
It would seem the .222 Rem has a working pressure of 38,000 CUP vs the .357 Max's ~46,900 CUP and the .223's ~43,500 so the case should handle it

I've heard the .256 Max was quite popular some years ago (basically a .256 Win Mag based on the .357 Max case) which should give a fairly solid improvement over the original round (can't seem to find any ballistics data), in a more compact package that still leaves a good thickness in the barrel tenon. Some say it will approximate the old .25/35...

Post Extras

Entire topic
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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