870 +3 Extension Tube - Taking It On Finally

870 +3 Extension Tube - Taking It On Finally

This is a discussion on 870 +3 Extension Tube - Taking It On Finally within the Defensive Rifles & Shotgun Discussion forums, part of the Related Topics category; Well I finally broke down and bout the extension for my 870 Express Magnum with 18" barrel. I think I'm going to use the drill ...

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Thread: 870 +3 Extension Tube - Taking It On Finally

  1. #1
    VIP Member Array Civil_Response's Avatar
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    870 +3 Extension Tube - Taking It On Finally

    Well I finally broke down and bout the extension for my 870 Express Magnum with 18" barrel. I think I'm going to use the drill method on mine - seems to be the easiest way to go outside of spending $75 for a tool or banging at it with a socket.

    Hopefully all goes well, I did buy some cold blue and plan to sand the burrs off when I'm done drilling - wish me luck.


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    Distinguished Member Array DontTreadOnI's Avatar
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    Nothing sexier than a full length tube on a shottie, keep us updated with pics!
    If ye love wealth better than liberty, the tranquility of servitude than the animated contest of freedom, go from us in peace. We ask not your counsels or arms. Crouch down and lick the hands which feed you. May your chains sit lightly upon you, and may posterity forget that you were our countrymen.

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    VIP Member Array Civil_Response's Avatar
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    Thanks!

    Will do, supposed to rain tonight so I might attack this instead of shooting trap league this week. :)

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    Distinguished Member Array DontTreadOnI's Avatar
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    Sometimes weather can put a damper on plans, but I've noticed that bad weather is usually the kick in the butt I need to do things that I have been putting off for some time lol
    If ye love wealth better than liberty, the tranquility of servitude than the animated contest of freedom, go from us in peace. We ask not your counsels or arms. Crouch down and lick the hands which feed you. May your chains sit lightly upon you, and may posterity forget that you were our countrymen.

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    VIP Member Array Hiram25's Avatar
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    Hope all goes well!
    Hiram25
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    VIP Member Array Guantes's Avatar
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    Isn't a +3 on an 18" bbl going to stick beyond the end of the barrel?
    "I do what I do." Cpl 'coach' Bowden, "Southern Comfort".

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    Quote Originally Posted by Guantes View Post
    Isn't a +3 on an 18" bbl going to stick beyond the end of the barrel?
    I would think, +2 is for 18" and +3 is for 20".
    "The pistol, learn it well, carry it always ..." ~ Jeff Cooper

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    VIP Member Array Guantes's Avatar
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    Agreed. Sometimes there is confusion as some kits list them as a 7 shot extension, which is really only a +2, as they consider stock loaded as 4 + 1.
    "I do what I do." Cpl 'coach' Bowden, "Southern Comfort".

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    VIP Member Array varob's Avatar
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    Yes, I have a +2 on a 20" bbl and it comes to about an inch from the end of the barrel.

    A +3 on a 18" should be ok. You just might have to clean it up a little more after shooting.
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    VIP Member Array Guantes's Avatar
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    I have a +2 on an 18" bbl that comes to within 1/4" of the end of the barrel.

    The point re the +3 and 18" bbl is that most don't like the extension extending beyond the end of the barrel.
    "I do what I do." Cpl 'coach' Bowden, "Southern Comfort".

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    VIP Member Array Civil_Response's Avatar
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    She's done!

    It's a home defense gun, the added round is OK by me and the extension won't be an issue. I believe the 1187 police shotguns come this way.

    Definitely has some added heft with 8 rounds of 00 buck loaded.


    Remington 870 by Light Artisan Photography, on Flickr


    Here's one with an 18" barrel and factory +2 extension for comparison - mine is actually an 18.5" barrel.
    634483225577322141pjigjavd.jpg

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    VIP Member Array Guantes's Avatar
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    Are you going to put a barrel clamp on it to stabilize the extension?
    "I do what I do." Cpl 'coach' Bowden, "Southern Comfort".

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    VIP Member Array Civil_Response's Avatar
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    No, it's rock solid - it isn't going anywhere.

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    I'd recommend a clamp, as it adds to stability, and gives you a place to mount a sling to up front.

    You don't want it to come loose and fly off during shooting, or get knocked off when grabbing it and have a single shot. A clamp is some rather cheap extra insurance.
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    Distinguished Member Array DefConGun's Avatar
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    It looks good. Congrats.

    Its funny you posted this on here today because I was watching Nutnfancy videos last night where he was reviewing the 870 Tac shotty. He said that some people didn't like the extension to go past the barrel but it doesn't really hurt anything. Its none of my business what you do but I think the others are making a good point about the clamp being some cheap insurance. I would imagine that leaving it off won't save that much weight. If you were going to hunt with it and it and failure wasn't going to be a big deal one way or the other then I'd might risk it but given that its a defense gun, I wouldn't take the chance. Part of defensive efforts is eliminating all of the variables that could go against us.

    Take care,
    DCG

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