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Breech flaw/issue on a .45 Tisas 1911...

4405 Views 82 Replies 28 Participants Last post by  2nd Amend Steve
This is the new A1 Service Special 5". So when I went to fit a new extractor, I got that part set up and in spec. But when looking at closeups I noticed a flaw. The cartridge was not seating completely after I dialed the extractor in and got the hook off the case. The issue is obvious. There is a high spot or something that holds the rim of the cartridge from seating completely on the left side of the breech. You can see the witness marks and the height at which the cartridge sits. You cannot push it completely flat to the breech. The pistol shot fine but was a bit erratic on ejection, but never failed to feed or eject jhp or ball ammo.

So I need to fix that LOL. It's a tight spot, suggestions on how to cut that flaw down?

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It is common to have small issues in this area on raw machined slides that need to be touched up at the bench. During the machining process three different tools make cuts that intersect here. Your particular example is pretty bad, you are doing the right thing fixing that. A barrel locking lug file is quite handy for this area. Use a small stone to smooth out the small file marks and you will be good to go.
 
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