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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles

buckstix
.400 member

Reged: 07/11/12
Posts: 1463
Loc: Whitetail Country

Re: Brevex #20 joins the Collection - Custom 350 Mashburn Super
13/01/26 03:06 AM

UPDATE .... RANGE REPORT .... I bought some Commercial Custom Loaded ammo w/ 200g bullets and went to the range. I was very disappointed as to how conservative the load was. Velocity was about the same as 35 Remington, and much less than 350 Rem Mag. I am sure my hand-loads will do much better. Powder in the Custom ammo was 71.4 grains and appeared to be IMR4350. PO Ackley published max load for IMR4350 powder is 89 grains with a 250g bullet, and likely much more for a 200g bullet.

And ... the real surprise came when I looked at a fired case. The rifle was not marked as to caliber, and was advertised as a 350 Mashburn Super Mag. Turns out the rifle's caliber is actually .. 350 Mashburn Super Mad "Improved". Future handloads should make this a real 35 caliber screamer.

http://www.buckstix.com/buckpics/350MASH-TARG-1.jpg

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"You never pay too much for something, you only buy it too early."

Post Extras

Entire topic
Subject	Posted by	Posted on
Brevex #20 joins the Collection - Custom 350 Mashburn Super	buckstix	10/01/26 12:00 PM
Re: Brevex #20 joins the Collection - Custom 350 Mashburn Super	m239	10/01/26 12:24 PM
Re: Brevex #20 joins the Collection - Custom 350 Mashburn Super	93x64mm	10/01/26 04:33 PM
Re: Brevex #20 joins the Collection - Custom 350 Mashburn Super	lancaster	10/01/26 08:14 PM
Re: Brevex #20 joins the Collection - Custom 350 Mashburn Super	buckstix	10/01/26 10:24 PM
Re: Brevex #20 joins the Collection - Custom 350 Mashburn Super	DarylS	11/01/26 03:37 AM
Re: Brevex #20 joins the Collection - Custom 350 Mashburn Super	buckstix	13/01/26 03:06 AM
Re: Brevex #20 joins the Collection - Custom 350 Mashburn Super	lancaster	13/01/26 03:13 AM
Re: Brevex #20 joins the Collection - Custom 350 Mashburn Super	93x64mm	13/01/26 07:17 AM
Re: Brevex #20 joins the Collection - Custom 350 Mashburn Super	buckstix	13/01/26 09:00 AM

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