410 with Bulged barrel

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  • Taeverling

    Plinker
    Rating - 0%
    0   0   0
    Sep 22, 2021
    118
    28
    Swayzee indiana
    Hello all, I have a vintage 410 double barrel with a bulge at the end of the barrel. It is about 3/4 back from the end of the barrel. I'm just wondering if it would be okay to cut the barrel back a inch from the bulge and all will be fixed?? I'm guessing it was there when I bought it. Probably from someone putting a slug through it or a high brass. I have just ran 2 1/2 standard target loads through it due to its age so I'm assuming it wasn't me... I figure opening the choke up on the gun would be good for it overall anyways, right?
     

    55fairlane

    Master
    Rating - 100%
    4   0   0
    Jan 15, 2016
    2,223
    113
    New Haven
    As long as you stay on the long side of 16 inch your legality ok, but unless the cut is square to the axis of the bore your point of impact will change (and sometimes dramatically) plus you we running an "open" choke.
    Should you get up towards New Haven, I will look at the job and possibly neck it off in my lathe.
     

    Taeverling

    Plinker
    Rating - 0%
    0   0   0
    Sep 22, 2021
    118
    28
    Swayzee indiana
    The barrel will still be well over 20 inches. I dont think it would hurt to open the choke up on it anyways. It's a american gun co brand. A brand line of crescent.
     

    Mgderf

    Grandmaster
    Site Supporter
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    43   0   0
    May 30, 2009
    17,878
    113
    Lafayette
    The barrel will still be well over 20 inches. I dont think it would hurt to open the choke up on it anyways. It's a american gun co brand. A brand line of crescent.
    Like 55 said though, your point of impact may or may not change DRASTICALLY.
    You should also deburr the barrel end after cutting.
    Squaring the cut and proper deburring are not as easy as it may appear.
    Ymmv
     

    55fairlane

    Master
    Rating - 100%
    4   0   0
    Jan 15, 2016
    2,223
    113
    New Haven
    You mean I can't just go at it with a sawzall?
    Silly me I would square the barrels up on my mill and then take the cut, but most people think I am just blowing g hot air, so use the hacksaw and make fun of us that have a clue...sorry about the rant......you must debur the cut and keppi g the cut square will help keep your POI "true"
     

    Mgderf

    Grandmaster
    Site Supporter
    Rating - 100%
    43   0   0
    May 30, 2009
    17,878
    113
    Lafayette
    Silly me I would square the barrels up on my mill and then take the cut, but most people think I am just blowing g hot air, so use the hacksaw and make fun of us that have a clue...sorry about the rant......you must debur the cut and keppi g the cut square will help keep your POI "true"
    But what do we know?
     

    fireball168

    Master
    Rating - 100%
    23   0   0
    Dec 16, 2008
    1,745
    38
    Clinton
    As long as you stay on the long side of 16 inch your legality ok, but unless the cut is square to the axis of the bore your point of impact will change (and sometimes dramatically) plus you we running an "open" choke.
    Should you get up towards New Haven, I will look at the job and possibly neck it off in my lathe.

    “A shotgun is a firearm subject to the NFA if the shotgun has a barrel or barrels of less than 18 inches in length. A weapon made from a shotgun is also a firearm subject to the NFA if the weapon as modified has an overall length of less than 26 inches or a barrel or barrels of less than 18 inches in length.”
     

    Taeverling

    Plinker
    Rating - 0%
    0   0   0
    Sep 22, 2021
    118
    28
    Swayzee indiana
    Like 55 said though, your point of impact may or may not change DRASTICALLY.
    You should also deburr the barrel end after cutting.
    Squaring the cut and proper deburring are not as easy as it may appear.
    Ymmv
    I have all the machines needed to do it properly. If properly done should this fix the problem with no repercussions?
     

    Slow Hand

    Master
    Rating - 99.3%
    145   1   0
    Aug 27, 2008
    3,086
    149
    West Side
    I’ve cut down many SxS’s over the years. Not as easy as a single barrel but not too hard. Most of them were cut for cowboy shooting sports, so pattern wasn’t too important. I do have a wonderful old german 12 ga that I used for several years as my upland game gun. I cut it back to 26” and the cylinder bore barrels worked fine in the thick woods of Michigan chasing Grouse and Woodcock. For looks, you will want to fill in the space between the barrels and ribs. JB Weld does a pretty decent job, especially on a well worn gun as the gray kinda matches worn steel. And obviously you’ll want a new bead installed.
     
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