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Joined: Oct 2017
Posts: 5
Boxlock
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Boxlock

Joined: Oct 2017
Posts: 5
I have a Lefever SBS 12-Gauge with a unique push style barrel release.

The foreiron release button is no longer retained (but I have it). There is a tapped screw hole in the foreiron that I believe formerly retained a small piece of spring steel via a screw in this hole to keep the release button in place. I can easily fabricate a replacement spring steel piece but need help identifying the screw size/thread. I thought it was a #16 but not sure. Can you guys help me identify the scree I need for this? I'm pointing to the tapped hole with the scratch awl in the photo below.

[image]http://i44.photobucket.com/albums/f15/wtfoley3/IMG_0242_zpsrcw45vjj.jpg

[image]http://i44.photobucket.com/albums/f15/wtfoley3/IMG_0241_zpsoypudcj7.jpg

[image]http://i44.photobucket.com/albums/f15/wtfoley3/IMG_0240_zpscfa9uz0t.jpg

[image]http://i44.photobucket.com/albums/f15/wtfoley3/IMG_0245_zpszszmsqqt.jpg

Thanks!
Bill
Cary, NC

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Sidelock
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Sidelock
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Joined: Dec 2001
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try screwing in a small wooden dowel and measuring it after you remove it to determine screw size.


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Sidelock
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Sidelock
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You may also try cerrosafe, clean the hole, oil it, block off the hole with tape(if it is a through hole), and fill it with cerrosafe, Following the instructions for time, work the cast out and measure it. If you mess up, you can melt it out with a heat gun.
Mike.

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Sidelock
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Sidelock
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The methods above may work well. Since the threads are going into steel, you also might be able to put a taper on a piece of soft copper wire that is close to the correct O.D. and screw that in far enough to get an impression of the threads. Then you would use a screw thread pitch gauge to determine the correct thread size. I wouldn't be surprised to find it is not a modern standard size. I think the original screw had a pretty large head. I believe this forearm latch arrangement carried through all of the later rod cocking models, so you should be able to find a replacement from Gun Parts Corp., or other gun parts sources.


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