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Shooting & Reloading - Mausers, Big Bores and others >> Rifles
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Rule303
.450 member


Reged: 05/07/09
Posts: 5122
Loc: Woodford Qld
Re: A new type cartridge - 7mm Backcountry
      13/01/25 01:47 PM

A lot of Kiwis use suppressors. They do deteriorate/wear out with usage. This leads to the questions of how many rounds before needing to replace the suppressor and how big does it have to be?

what are the ballistics out of a 22" or 24" barrel as most will be hunting non suppressor. Next, will the steel case's be reloadable and if so will they require Tungsten dies or similar and will the required powders be available in gun shops?

The current cartridge may use a cooler burning powder but friction also generates heat and the faster the bullet if traveling the more surface friction heat it will generate. The barrels certainly wont last as long unless chrome lined.

So in theory I could get my 358 RUM up top near the 4000fps area with 225 grain projectiles. So using a Woodleigh Hydro I could shoot through 2 Buff, not a scenario I would want.

Think I will be a Yeah-Nah 4

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Entire topic
Subject Posted by Posted on
* A new type cartridge - 7mm Backcountry 85lc 11/01/25 06:07 AM
. * * Re: A new type cartridge - 7mm Backcountry 85lc   11/01/25 06:15 AM
. * * Re: A new type cartridge - 7mm Backcountry 93x64mm   11/01/25 06:47 AM
. * * Re: A new type cartridge - 7mm Backcountry Hunter4752001   11/01/25 08:51 AM
. * * Re: A new type cartridge - 7mm Backcountry NitroXAdministrator   12/01/25 06:29 PM
. * * Re: A new type cartridge - 7mm Backcountry DarylS   13/01/25 06:21 AM
. * * Re: A new type cartridge - 7mm Backcountry 85lc   13/01/25 09:04 AM
. * * Re: A new type cartridge - 7mm Backcountry Rule303   13/01/25 01:47 PM
. * * Re: A new type cartridge - 7mm Backcountry NitroXAdministrator   14/01/25 12:51 AM
. * * Re: A new type cartridge - 7mm Backcountry 3DogMike   14/01/25 01:23 PM
. * * Re: A new type cartridge - 7mm Backcountry NitroXAdministrator   14/01/25 08:17 PM
. * * Re: A new type cartridge - 7mm Backcountry DarylS   13/01/25 12:30 PM
. * * Re: A new type cartridge - 7mm Backcountry Marrakai   11/01/25 12:10 PM
. * * Re: A new type cartridge - 7mm Backcountry NitroXAdministrator   12/01/25 06:31 PM
. * * Re: A new type cartridge - 7mm Backcountry 3DogMike   13/01/25 05:41 AM
. * * Re: A new type cartridge - 7mm Backcountry DarylS   12/01/25 07:06 AM

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