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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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DarylS
.700 member


Reged: 10/08/05
Posts: 26668
Loc: Beautiful British Columbia, Ca...
Re: Space age .577/450 ammo
      05/07/23 01:11 AM

Interesting, but questions & quality as noted above need to be addressed.
Considering the groove depth of those Martinis is all over the charts makes me wonder what the lead alloy they used, happens to be.
A softer bullet will slug up, but not one of normal alloys made for the market by commercial companies - normally.

The ballistics of the posted round will about match what a 2.4" or 2.6" Straight Case Sharps round will do with GOEX powder. Of course, the 2 7/8" and longer Sharps cases will exceed this one with GOEX powder and add about another 100fps with T-7 over GOEX.
The longer cases should run about 1,550 to 1,650fps with the same bullet.

--------------------
Daryl


"a gun without hammers is like a Spaniel without ears" King George V

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Subject Posted by Posted on
* Space age .577/450 ammo NitroXAdministrator 05/07/23 12:20 AM
. * * Re: Space age .577/450 ammo DarylS   05/07/23 01:11 AM
. * * Re: Space age .577/450 ammo Huvius   05/07/23 01:04 AM
. * * Re: Space age .577/450 ammo 85lc   05/07/23 06:31 AM
. * * Re: Space age .577/450 ammo DoubleD   05/07/23 10:36 PM
. * * Re: Space age .577/450 ammo lancaster   05/07/23 11:36 PM
. * * Re: Space age .577/450 ammo DoubleD   06/07/23 10:56 PM
. * * Re: Space age .577/450 ammo eagle27   07/07/23 12:02 PM
. * * Re: Space age .577/450 ammo lancaster   07/07/23 02:23 PM
. * * Re: Space age .577/450 ammo NitroXAdministrator   07/07/23 05:07 PM
. * * Re: Space age .577/450 ammo DoubleD   07/07/23 09:39 PM
. * * Re: Space age .577/450 ammo lancaster   08/07/23 05:53 AM

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