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June 17, 2012
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I have acquired a barrel tool and wanted to know how everyone keep the proper gap when tightening the barrel nut. I set the gap to .006, but when I tighten the barrel nut, the barrel turns with it and there goes my gap. I used a primitive method, but would like all you experts method of doing this task. Also any other DW wisdom would be greatly appreciated. Thanks
Range Officer
Range Officers
Dans Club
February 9, 2009
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I too have had this happen and continue to do so on several DW's of mine. Sometimes simply removing the barrell and scrubbing the nut threads and then a good coat of lightweight oil will stop this event from occurring. Other times I have had to resort to stopping the gap larger and then allowing the barrell to turn in until the correct guess allows for proper BC gap alignment. The latter requires several attempts until the correct result is achieved, I have not figured out yet any other way to acheive the goal on tempermental barrells.
A man cannot have too many SuperMags
October 11, 2009
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With the cylinder open put back pressure on the barrel with your thumb. This is how I do it.
Range Officer
Range Officers
Dans Club
February 28, 2009
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Try this: slowly turn the barrel wrench until it stops. Now ever so gently and slowly apply pressure to the wrench. If everything is clean and oiled the nut should tighten without turning the barrel. I only have one gun that tries to defy this action and that is one of my 738P's, and even it complies after a second or third try.
The key is to be gentle but firm. I hope it works for you.
Good luck.
-Mike
February 2, 2009
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Opening the cylinder and applying pressure to the back of the barrel is actually in some of the owner's manuals. On my model 40, some of the barrels are looser than others and move much easier, I have used needle nose pliers to apply grip to the back of the barrel for them. I did see a DW at a gun show that had an allen screw on the side of the frame, to contact the threads of the barrel, when the gap was correct. You would have to remember to losen it to remove the barrel or damage the threads. It was professionally done, but definitely not factory. I would have bought it, but the asking price was too high and they didn't want to haggle.
December 27, 2010
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Get a larger feeler .008 or .009 put it in leave it in tighten nut remove feeler then check gap with .006.
July 5, 2009
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On all of my Dan's I set the gap at .0015 on the closest chamber on the cylinder. So if you are trying to set the gap at .006 and it closes a little it's no big deal. The cylinder face may not be square with the barrel and one chamber may be closer to the barrel tham others. Most of us set the gap as close as we can as long as the cylinder rotates.
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