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| Brice- Not really so strange. This is an area that gets work hardened every sizing.
The only easy day is yesterday!
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| | | Posts: 2759 | Location: Northern Minnesota | Registered: 22 September 2005 | 
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| Not strange; it happens. |
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One of Us
| I have found cracks in new brass straight from the bag
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| | | Posts: 7361 | Location: South East Missouri | Registered: 23 November 2005 |
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| Sounds like a work hardened crack due to a too thick neck or working in the resizing die.
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| | | Posts: 451 | Location: Albuquerque | Registered: 28 March 2013 |
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| If it were a .30-06 necked down to .25-06 then it is not uncommon for wrinkles to form in the shoulder (typically from excess lubricant). Those wrinkles may eventually become cracks after a few firings. However, if the brass came from the factory as .25-06 then it would usually have to be subjected to several excessive full-length sizings to cause a work-hardening crack in the shoulder. |
| | | Posts: 13334 | Location: Henly, TX, USA | Registered: 04 April 2001 |
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| Thanks guys. Not new, just new to me. |
| | | Posts: 2827 | Location: Seattle, in the other Washington | Registered: 26 April 2006 |
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| Once I started annealing the neck and shoulder area every 4th or 5th load I never saw another... Some of those cases in 300 WM have about 16 reloads now.
I had some on once fired RP in 375 H&H. Annealed them too and I'll see if I get any more. |
| | | Posts: 694 | Location: JOHANNESBURG, SOUTH AFRICA | Registered: 17 January 2013 |
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