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Shooting & Reloading - Mausers, Big Bores and others >> Mannlicher Discussion forum & Archive

DarylS
.700 member

Reged: 10/08/05
Posts: 27006
Loc: Beautiful British Columbia, Ca...

Re: 6,5x54 MS new made by Prvi
09/07/12 05:53 AM

I had a box of 6.5mm 160gr. RN's with long 'blue' noses (a lot of lead exposed) that I purchased in bulk many years ago. They measured .263" - so as to not develop excessive pressure in old guns. They shot well in both my 6.5x55 with a .266" groove and a .260 Rem with a .264" groove diameter.

Of course any time a bullet is grossly under size, the escaping gasses in each groove could accelerate bore wear - but one would need to fire a LOT of ammo and shoot it quickly to heat the bore excessively to cause measurable wear over only a few years use.

I'd expect with the long bearing surface on these 160gr. bullets, there would be enough movement, slugging up, if you will, to seal the bottoms of the grooves even if they were a thou or 2 undersized.

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

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

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Subject	Posted by	Posted on
6,5x54 MS new made by Prvi	lancaster	28/06/12 11:06 PM
Re: 6,5x54 MS new made by Prvi	Igorrock	29/06/12 02:10 AM
Re: 6,5x54 MS new made by Prvi	Phillip	29/06/12 10:13 AM
Re: 6,5x54 MS new made by Prvi	lancaster	29/06/12 12:28 PM
Re: 6,5x54 MS new made by Prvi	Phillip	08/07/12 09:13 PM
Re: 6,5x54 MS new made by Prvi	lancaster	08/07/12 11:48 PM
Re: 6,5x54 MS new made by Prvi	DarylS	09/07/12 05:53 AM

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