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Author Topic: Drill & tap for scope  (Read 784 times)

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Offline Rodland

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Drill & tap for scope
« on: September 08, 2011, 08:18:20 AM »
I have everything to drill and tap for scope mount on my handi 20 gauge but stopped because I am not sure the 20 gauge is thick enough, .210 th.. Can I drill through holes and clean up after setting screws? OR can I go .125 blind hole and be ok? I know there are 20 gauge handis with scope mounts but I don't have one to look at. Any help will be appreciated.
 
Mike
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Offline Frank46

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Re: Drill & tap for scope
« Reply #1 on: September 08, 2011, 06:18:57 PM »
Mike, through holes are not the way to go. Blind holes is/are the way to go. With the exception of the bead or front sights on shotgun barrels. Might want to post this on the handy-rifle section on this board, I'm sure you will get an answer. I'm think safety here. Frank
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Offline gunnut69

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Re: Drill & tap for scope
« Reply #2 on: September 10, 2011, 03:03:56 PM »
I second the blind holes.. Thru holes are likely not a problem in the low pressure environment of a shotgun but I am not sure.. I do know that those holes would sure create a rough chamber and in these little single shots are sure to lead to ejection problems..
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Offline Rodland

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Re: Drill & tap for scope
« Reply #3 on: September 10, 2011, 05:19:19 PM »
Thanks to all. I will go blind hole .125 deep. I didn't think pressure would be a problem on 20 gauge but had second thoughts when I got ready to do the job.
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Offline jeepmann1948

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Re: Drill & tap for scope
« Reply #4 on: September 16, 2011, 09:21:55 AM »
After you get it drilled and taped you may want to use JB Weld to for extra strength to secure it to the barrel, even a 20 ga has recoil if you are using heavy loads and them scopes will leave a mark if they come  off
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Offline Austin from NC

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Re: Drill & tap for scope
« Reply #5 on: September 16, 2011, 11:45:14 AM »
You could always solder a base on.
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