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Hunting >> Hunting in Australia, NZ & the South Pacific

DarylS
.700 member

Reged: 10/08/05
Posts: 27005
Loc: Beautiful British Columbia, Ca...

Re: Metric madness
02/10/12 12:57 AM

Amazing difference just in the primers, Neale & with a full grain more powder with the BR4's. Those 'disked' primers almost let go & actually look like what a weak firing pin spring does. a bit of cratering from a large hole, as on most CZ 527's is slightly different as that shows a full dtrike, with flow. Pushed back material like that is either weak cups or weak spings. In this case, a week cup as you surmised and proved.

CCI Small Rifle Magnum primers (450's) have the thicker jackets as well as do RP 7 1/2's. Those three are the same and thickest of all. The Remingtons were developed for the .17Rem which was hard on primers of the 1960's. The 7 1/2's were the response and CCI followed suit with the BR4's and SML Rfl. Mags.

Nice performance form that hot core and the little 6.5.

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

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

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Subject	Posted by	Posted on
Metric madness	FATBOY404	30/09/12 10:54 PM
Re: Metric madness	Rule303	01/10/12 09:25 AM
Re: Metric madness	FATBOY404	01/10/12 11:59 AM
Re: Metric madness	Viking338	01/10/12 05:41 PM
Re: Metric madness	Rule303	01/10/12 07:18 PM
Re: Metric madness	Viking338	01/10/12 11:22 PM
Re: Metric madness	DarylS	02/10/12 12:57 AM
Re: Metric madness	aromakr	01/10/12 12:37 AM

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