Thread: Brass life

Originally Posted by bully

Whatever your doing is working.
All my rifles are full length sized. I measure head space off a fired case and basically load it with the same measurment. Less than a thou bump. (Datum on the shoulder)
I see the line at about 6 firings on REM mag. I can at least double the amount of use on other calibres. And then stop for no apparent reason, just because maybe I should.
I recently asked the same question about when is my brass buggered on another calibre as there was no apparent signs after 13 firings.
So I just figured as I use the same method for all my calibres, it's REM mag brass for you, it's the initial stretch iv heard of that ruins case life. Maybe I'm wrong but I have no other explanation when it's compared to my other calibres.
As I say, whatever your doing is working

Have you checked it is the start of separation? Maybe just a bit of a polished spot?

Originally Posted by kiwijames

Have you checked it is the start of separation? Maybe just a bit of a polished spot?

Yeah iv cut cases open.
And yes, maybe mine is a large spec chamber.
With the comparator, off the top of my head the measurement is 1.215 if you have the Hornady comparator it might mean something if the bushings are close to the same.

Originally Posted by bully

Yeah iv cut cases open.
And yes, maybe mine is a large spec chamber.
With the comparator, off the top of my head the measurement is 1.215 if you have the Hornady comparator it might mean something if the bushings are close to the same.

That's not right, it's something . 1215

Originally Posted by bully

That's not right, it's something . 1215

LOL. I'lll take a nose at mine as I have the Hornady too.