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Quick question, tac star mag extention!

Discussion in 'Shotguns' started by possum, Mar 21, 2006.

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  1. possum

    possum Member

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    I ordered some accessories for my remington 870 express, with the 18' barrel, kinda like a home defense model and i was wondering if i ordered the right mag extension. I haven't recieved it yet but I have been thinking and i might have. I ordered the tac star exenstion that makes it 10 +1, will this be to long and hang over farther than the barrel, i sure hope not but if it does i will have to send it back, if it is to long which one should i get instead the 7rd or the 8rd, and will they both clear the end of the barrel? Thanks for all the help!
     
  2. Fred Fuller

    Fred Fuller Moderator Emeritus

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    Oops.

    If you did order the 10-round extension, it will protrude by a good bit beyond your 18" barrel. Order what TacStar describes as a 7-round extension (allows the magazine to hold 6 rounds with one more round in the chamber) to properly fit even with the muzzle of your barrel.

    I prefer to refer to magazine extensions by the number of rounds the extension adds, in this case it would be a 2-round extension. I know, it's picky. But it seems less confusing to me than having to subtract one for the round in the chamber plus subtracting however many the magazine normally holds to figure out how big the proper extension for a given barrel length is.

    BTW, check to see if you have dimples in your magazine tube- if so, they will have to be removed before you can use your extension. And make sure to order a barrel clamp too, the shorter extensions from TacStar don't come with one and you will need it. See http://www.tacstar.com/tacstar/index.htm .

    lpl/nc
     
  3. possum

    possum Member

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    thanks for the help well darn i guess i will have to send it back as soon as i get it, darn it, i will definetly go with the 2rd extension like you suggested thanks! and i have a barrel clamp on the way! along with a verticle foregrip, and heat shield.
     
  4. possum

    possum Member

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    i took a look at the magazine tube, and it does have the dimples, how would i go about taking the dimples out? I would appreciate any help or advice, i really want to add to the max capacity! thanks!
     
  5. Delivery McGee

    Delivery McGee Member

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    You'll need to grind the dimples off with a Dremel (probably best) or drill them out from the outside, them file/sand the burrs off (how I did it). Anybody want to chime in with the optimum drill bit size? I used 1/4" and it was too small. Perhaps drilling a smaller hole at each end of the dimple so they just meet in the middle would be better than trying to take out the whole thing with one hole.

    Whatever you do, make sure it's completely smooth on the inside, or the follower will hang up on it. Took me almost an hour of filing after drilling out most of the dimples, but I had only the most rudimentary equipment (i.e. the file on a Leatherman). It'd be easier with some good sandpaper or a Dremel.
     
  6. possum

    possum Member

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    Delivery McGee,

    Thanks pal, yeah that is what i was thinking too, using the drill and a file. how ever i do it I want it to look good and professional, so far with the buttstock with pistol grip and the barrel shroud looks pretty good, for an infantryman who breaks more than we fix, but i will try to put up pics as soon as I get it like I want it.
     
  7. Devonai

    Devonai Member

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    I found it much easier to use a semi-circular file on the dimples. No drill required, although I suppose the elbow grease factor was higher.
     
  8. Fred Fuller

    Fred Fuller Moderator Emeritus

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    possum,

    In removing magazine tube burrs, it is nice not to let the chips/shavings/filings go down the magazine tube into the action. Best bet is to field strip the gun before starting, then get a piece of stout string long enough to go through the magazine tube. Tie it around a piece of cloth that when doubled will fill the magazine tube, deop the end of the string through the receiver end of the magazine tube and carefully pull the cloth about half way through the tube and stuff the string end back in out of the way.

    After you do the deed and are through generating debris, fish out the end of your string and pull the cloth patch the rest of the way out the muzzle end of the magazine tube, holding it pointing down over a waste receptacle. That will brush out stray particles of metal lingering in the magazine. Your shell stops will thank you-

    lpl/nc
     
  9. marklbucla

    marklbucla Member

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    I just used a $5 dremel bit in an electric drill. It was smoothed down in about 20 mins??

    Another thing to consider before you do this is that your old Magazine endcap may not work anymore. I had a problem where my barrel really loosened up while shooting.

    The Choate mag extension really clamps down on the Magazine tube, so I haven't had any problems there.
     
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