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

DoubleD
.400 member


Reged: 23/11/03
Posts: 2386
Loc: Retired in Oklahoma
Re: Martini rechamber
      22/10/14 11:03 AM

30-30 and 32-40 are fine in the little Martini action. Geometry prevents the use of longer fatter cartridges in the action, There isn't enough clearance for the cartridge to enter the chamber and turn the corner.

In the small Martini the 357 Maximum is marginally able to chamber. Sometimes it will fit and in other actions it will not. Some grind the feed trough out to make it work, but that has been the cause of a number of block failures---after all the breech block is technically the locking lugs.

Sometimes you can get more room for the Maximum by lowering the feed position by lowering the web of the lever. That is the correct way to adjust feed position not welding the trigger and recutting it as some practice.

The other issue of course is the barrel tenon of the small martini is only 3/4". Too large a cartridge body will lead to a bulge in the chamber over the threads. I have had this happen to every single .225 Winchester I chambered for customers. They all were warned. They all said they were going load down. What's the point? If you are going to load down use the lesser cartridge.

5.56 x 50R good choice!

--------------------
DD, Ret.

Edited by DoubleD (22/10/14 01:37 PM)

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Entire topic
Subject Posted by Posted on
* Martini rechamber Sarg 09/10/14 07:45 PM
. * * Re: Martini rechamber LesLeeSpeed   09/10/14 10:42 PM
. * * Re: Martini rechamber Ash   10/10/14 12:15 AM
. * * Re: Martini rechamber DarylS   10/10/14 01:38 AM
. * * Re: Martini rechamber DoubleD   10/10/14 02:12 PM
. * * Re: Martini rechamber Sarg   16/10/14 07:53 AM
. * * Re: Martini rechamber DarylS   16/10/14 10:39 AM
. * * Re: Martini rechamber Marrakai   21/10/14 11:54 PM
. * * Re: Martini rechamber xausa   22/10/14 06:42 AM
. * * Re: Martini rechamber DoubleD   22/10/14 11:03 AM
. * * Re: Martini rechamber HuviusModerator   24/10/14 07:56 AM
. * * Re: Martini rechamber Marrakai   26/10/14 01:11 PM
. * * Re: Martini rechamber lancaster   28/10/14 02:06 AM
. * * Re: Martini rechamber Marrakai   28/10/14 11:07 AM
. * * Re: Martini rechamber Sarg   03/05/15 09:35 AM
. * * Re: Martini rechamber DoubleD   03/05/15 12:30 PM
. * * Re: Martini rechamber Sarg   03/05/15 07:58 PM
. * * Re: Martini rechamber DarylS   04/05/15 12:38 AM
. * * Re: Martini rechamber DoubleD   04/05/15 03:44 PM
. * * Re: Martini rechamber DarylS   05/05/15 01:20 AM
. * * Re: Martini rechamber Sarg   03/05/15 07:51 PM
. * * Re: Martini rechamber DarylS   03/05/15 11:04 AM
. * * Re: Martini rechamber Sarg   22/10/14 08:59 PM
. * * Re: Martini rechamber greenshoots   22/10/14 10:18 PM
. * * Re: Martini rechamber DoubleD   23/10/14 03:05 AM
. * * Re: Martini rechamber DarylS   23/10/14 03:10 AM
. * * Re: Martini rechamber DoubleD   23/10/14 04:06 AM
. * * Re: Martini rechamber Sarg   23/10/14 07:44 AM
. * * Re: Martini rechamber DoubleD   23/10/14 12:05 PM
. * * Re: Martini rechamber karamoja   23/10/14 06:13 PM
. * * Re: Martini rechamber DoubleD   23/10/14 11:03 PM
. * * Re: Martini rechamber karamoja   24/10/14 04:30 AM

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