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7mm STW - Stuck cases, at wits end

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Unread 08-11-2011, 08:40 PM
Bronze Member
Join Date: Jan 2005
Location: NW NC
Posts: 85
Re: 7mm STW - Stuck cases, at wits end

Another vote for checking length of brass.
Let's get the US out of the UN and the UN out of the US !!
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Unread 08-14-2011, 09:10 PM
Gold Member
Join Date: Apr 2010
Location: NW Mt.
Posts: 599
Re: 7mm STW - Stuck cases, at wits end

There seems to be two sizes of cases and chambers out there these days. The original
stw was built on a 8mmag case which is .002 larger than the 300 win mag family of cases
just ahead of the belt. I think the brass suppliers just started cheating and the chamber
reamer makers may have followed the brass. I should restate the 7stw was .002 larger
not the 8mm. I still have some new brass from back in the 90's that you could never
chamber in a .513 sized stw. Also a 7mm would always clean up when chambering to
an stw. They apparently don't now and I have seen several smiths post not to do it without
setting the barrel back. My gun is a Rem. custom shop early stw and the barrel is a remarked

Last edited by Loner; 08-15-2011 at 07:27 PM.
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Unread 08-15-2011, 02:17 PM
Bronze Member
Join Date: Nov 2008
Posts: 36
Re: 7mm STW - Stuck cases, at wits end

We were finally able to make it to the range last weekend. I am happy to report that 12 shots were fired without any sign of sticking brass. The minor polish job using Flitz did the job. None of the cases had any marks in front of the belt like they did in the pictures I posted earlier. I think there was a burr in the chamber where it transitioned from belt to case wall.

Thanks for you help with this.
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