Advanced Technology Inc. Magazine Extension

Advanced Technology Inc. Magazine Extension

This is a discussion on Advanced Technology Inc. Magazine Extension within the Defensive Rifles & Shotgun Discussion forums, part of the Related Topics category; Anybody ever heard of these? Anybody ever dealt with the seller? http://cgi.ebay.com/ATI-WINCHESTER-1...QQcmdZViewItem STOCK SPECIFICATIONS: ADVANCED TECHNOLOGY BRAND Increase mag capacity to 7 rounds Made of ...

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Thread: Advanced Technology Inc. Magazine Extension

  1. #1
    Senior Member Array tanksoldier's Avatar
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    Advanced Technology Inc. Magazine Extension

    Anybody ever heard of these?
    Anybody ever dealt with the seller?

    http://cgi.ebay.com/ATI-WINCHESTER-1...QQcmdZViewItem

    STOCK SPECIFICATIONS:

    ADVANCED TECHNOLOGY BRAND
    Increase mag capacity to 7 rounds
    Made of virtually indestructible, glass-filled nylon
    injection-molded over a stell connecting nut
    Will not rust or dent
    New spring and instructions
    Minimum barrel length for 7 shot extension is 18-1/5"
    Easy to install - no gunsmithing
    Made in the USA
    LIFETIME WARRANTY !!!

    * 7 rd. MAG EXTENSION NEEDS 18-1/5" BARREL LENGTH
    "I am a Soldier. I fight where I am told, and I win where I fight." GEN George S. Patton, Jr.


  2. #2
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    Array rocky's Avatar
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    I have sold some. not as strong as the metal extensions , but seems plenty strong if you add a mag clamp.
    "In matters of style, swim with the current; in matters of principle, stand like a rock." Thomas Jefferson


    Nemo Me Impune Lacesset

  3. #3
    VIP Member Array Tubby45's Avatar
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    I had an AT with my 20" 870. Never had a problem with it. Didn't have the support thingie either.
    07/02 FFL/SOT since 2006

  4. #4
    Senior Member Array tanksoldier's Avatar
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    Thanks. I think I'll give them a shot. Regular steel extenders cost almost $50.
    "I am a Soldier. I fight where I am told, and I win where I fight." GEN George S. Patton, Jr.

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