Threading a Barrel

B

Big Shurl

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Hey folks I know this is not a benchrest project but I'm sure one of you guys can answer a question for me. Anyway I just bought a new bottom of the line Remington 870 with a fixed cylinder barrel. It was an inexpensive gun 329.00 so I don't want to sink a ton of money into accessories on a gun I could get set up from the factory cheaper. I've ordered a set of wooden butt/forend for 40 bucks. The front sight is a simple bead which made me think I could thread the outside of the barrel. Just remove the bead. Thread the barrel. Drill and tap a piece of stainless rod and create this Remington combat choke basically with no choke since the rod is screwed to the outside of the barrel. Here's a picture of the screw in Remington Choke.
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So basically I'll just be screwing the tube to the outside of the barrel. My question 1st is will this effect my shot pattern, and 2nd is this a bad idea. Thanks guys.
 
870 barrels are typically fairly cheap, i'd just buy a barrel that is threaded for screw in chokes.
 
The 870 barrel with threaded chokes is 160 bucks, more than half what I paid for the gun plus 69.00 bucks for the choke. Like I said I want to do it cheap.
 
Big Shurl
Try giving this outfit a call they specialize in shotgun chokes and threading barrels. I had them thread a Browning B-80 barrel for about 90.00 and that included a choke tube!
Wrightsgunsmiths.com they are in Illinois. I think it would be better to have this done, if you cut the threads too deep or the walls of the barrel are thin, you could wind up taking the end of the barrel off when you shoot it.
 
I wonder if the Remington threaded barrels have a thicker wall than the fixed choke barrels.
 
Yes, my 11-87 has screw ins. This is one of them deals where the project may not justify the want to. I seem to find a lot of them. When folks worked for $5. per hour a project like this was dooable but now; better to buy a replacement barrel. About everything one can think of is like that. If you can't do it yourself, don't look for a bargain kus they ain't out there. Folks have to have a livin too.
 
Choke Threads

There are many different thread pitches and patterns used in the shotgun choke industry.

Some are for thin wall barrels and other are for thick wall barrels.

Every firearms manufacture has something different.

I suggest you research the Briley Choke webb sight.

They are leaders in this industry.

Nat Lambeth
 
Pete Wass said:
Yes, my 11-87 has screw ins. This is one of them deals where the project may not justify the want to. I seem to find a lot of them. When folks worked for $5. per hour a project like this was dooable but now; better to buy a replacement barrel. About everything one can think of is like that. If you can't do it yourself, don't look for a bargain kus they ain't out there. Folks have to have a livin too.
Click to expand...

I'm capable of threading the outside of the barrel and drilling and tapping a piece of stainless to match. I'll fabricate the tacticool whatever you'd call thing for the end of the barrel. I just really want to know if it will affect the pattern or screw up the barrel.
 
If you want the door breacher on the barrel forever, just turn any taper from the end of the barrel and then make your breacher with a bore I.D. to match. Then you can just silver solder it in place and have a sturdy, full thickness barrel with a lot less trouble than cutting threads. If you want to practice cutting threads, or have a need to remove the breacher extension, then you can thread it on. Use a fine pitch so that you don't cut deeply into the barrel - traditional 12 ga minimum wall thickness is .028", which you will need to have measured from the bottom of any thread you would cut to the bore. Scott
 
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