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Thanks Peter,
Prior to your post I decided to try and mill the backside of the locking shoulder to preserve any hardening of contact surfaces.
Success! I now lock up on a .064 gauge and do not on a .067 gauge. I now have to slightly elongate the srew hole in the receiver and stake everything in place.
Thanks tremendously for your thoughts.
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01-20-2013 04:55 PM
# ADS
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Yep......., on second thoughts I think that your idea is the right one because a) elongating the locking shoulder screw hole is slightly academic as it is a re-weld in any case and b, it leaves the remainder of the geometry as it should be. But I would advise that the screw is just a means of holding the shoulder in place and does absorb the recoil. The actual RECOIL energy or force is directed through the locking shoulder rearwards and back into the body of the gun. For this reason I would try to make sure that the rear surface of the re-ground locking shoulder matches/mates up with the surface area of the body supporting the rear of it as best you can get it
Please ignore all thoughts of a .067" gauge. This size does not feature in any Bren EMER. The No-Go is .074"
Right............ First detail on the firing point. Down test and adjust. With a magazine of 30 round, ........LOAD............! READY..........! Ooooops, Sorry..., just got a bit carried away and dreamed that I was about to run the Bren ranges again!
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Legacy Member
Peter, as you said I got a real good fit to the body with the locking shoulder and still have some slop in the screw hole.
Just put a full magazine (well 28 rounds) thru it and it ran really sweet.
Now to clean it up and Dura-coat it.
Again thanks to all.
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Legacy Member
Thought I would post a picture of a few of my Brens
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