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Old April 10, 2009, 12:08 PM   #1
scouter27
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Winchester 37A: chop barrel, thread for choke and sights

I have a 37A 12ga that i would like to turn into a pack/utility gun. i want to have the barrel cut to 18.5", then have it threaded for a choke, if possible. if not then a good buckshot/slug choke swagged. then i would like a set of simple, adjustable ghost ring/aperture sights installed.

anybody got any recommendations on where to start?

thanks
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Old April 11, 2009, 03:57 AM   #2
sadsack
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Scout: What your wanting to do is no problem at all. You can thread for any style tubes (Win, Rem) that you prefer. There are several companies making sight sets that will work, check with Brownells.
An 18.5 barrel can be made to pattern as well as any long barrel, and velocity loss isn't anything to worry about.
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Old April 11, 2009, 12:48 PM   #3
Bill DeShivs
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You really don't need chokes for buckshot and slugs.
Pattern the gun after shortening the barrel.
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Old April 11, 2009, 06:07 PM   #4
scouter27
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what is involved in getting the barrel back to a reasonable spread after cutting it?
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Old April 11, 2009, 06:57 PM   #5
Bill DeShivs
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Nothing. It will be cylinder bore.The pattern won't be "unreasonable" at all.
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Old April 11, 2009, 07:29 PM   #6
scouter27
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cool, i had no idea. thank you very much
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Old April 17, 2009, 11:06 PM   #7
Hylander
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I have one of these as well
How do I go about threading the barrle fro different Chokes.
Prefer Mossberg Chokes
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Old April 19, 2009, 12:03 AM   #8
sadsack
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Hylander: A local gunsmith should have the reamer and tap for whichever type choke you like the best. It's not a do it yourself type project.
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Old April 19, 2009, 11:00 AM   #9
koginam
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I have for many years hunted with a short barreled shotgun 18.5 inches and the velocity loss is minimal if at all. The advantage of a longer barrel is sight radius nothing more, in most loads the powder is burned in the first 18 to 20 inches. The choke determines the pattern size and shot density.
The pattern size difference in a 18 inch and a 30 inch with the same choke is nill they are the same. Even with cylinder bore your pattern is not that much bigger at 30 yds with bird shot, with buck it will be because of fewer pellets.
I have a red dot on mine for brush hunting and at 75 yds I can get a 5 inch group with slugs, I could probably do much better if the dot was smaller.
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Old April 19, 2009, 01:46 PM   #10
Hylander
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Quote:
Hylander: A local gunsmith should have the reamer and tap for whichever type choke you like the best. It's not a do it yourself type project.
Well Poop
I was hoping it was something I could do myself.
I like doing most of the work on my guns myself if I have the tools.
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Old April 19, 2009, 07:50 PM   #11
koginam
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A set of reamers and taps would run you more than a new gun.
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