Looking for magazine extensions for your Glock pistol? We carry a full selection for Glock 17, 19, 26, 43, 43X, and more pistols!

Extensions are compatible with Gen 1-5 factory Glock magazines.

DISCLAIMER: Most products are not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that most of these product are compatible with GLOCK pistols.

20 of 22 Items
  • Taran Tactical Innovations Taran Tactical Glock 17, 22 3/4 Magazine Extension Taran Tactical Innovations Taran Tactical Glock 17, 22 3/4 Magazine Extension

    Taran Tactical Innovations

    Taran Tactical +4/3 Magazine Extension for Glock 17/22

    This is the Taran Tactical magazine extension for the Glock 17/22. This extension adds 3 rounds to Glock 22 magazines and 4 rounds Glock 17 magazines.  Manufactured from hard-coat adonized aluminum, this extension brings added capacity and...

    $29.99
  • Shield Arms Glock 26 magazine extension Shield Arms Glock 27 magazine extension

    Shield Arms

    Shield Arms +5/4 Magazine Extension for Glock 26/27

    This is the Shield Arms magazine extension for the Glock 26/27. This adds an extra 5 rounds to Glock 26 magazines, and 4 rounds to Glock 27 magazines. Machined from billet 6061 aluminum, a high grade alloy, this provides enhanced durabiltiy and...

    $37.99
  • Shield Arms Glock 19 magazine extension Shield Arms Glock 23 magazine extension Glock 19 magazine extension

    Shield Arms

    Shield Arms +5/4 Magazine Extension for Glock 19/23

    This is the Shield Arms magazine extension for Glock 19/23 magazines. This adds an extra 5 rounds to Glock 19 magazines, and 4 rounds to Glock 23 magazines. Machined from billet 6061 aluminum, a high grade alloy, this provides enhanced durabiltiy and...

    $37.99
  • Glock 19x magazine extension Glock 17 extension Shield Arms magazine extension

    Shield Arms

    Shield Arms +5/4 Magazine Extension for Glock 17/22

    This is the Shield Arms magazine extension for Glock 17/22 pistols. This adds an extra 5 rounds to Glock 17 magazines, and 4 rounds to Glock 22 magazines. Machined from billet 6061 aluminum, a high grade alloy, this provides enhanced durabiltiy and...

    $37.99
  • Glock 43 mag extension Glock 43 magazine extension plus two

    Taran Tactical Innovations

    Taran Tactical +2 Magazine Extension for Glock 43

    This is the Taran Tactical plus 2 magazine extension for the Glock 43. This extension adds an extra 2 rounds to factory Glock 43 magazines.  Manufactured from hard-adonized aluminum, this extension promises enhanced durability and capacity to your...

    $36.99
  • Glock 21 Magazine Extension Glock 21 mag extension

    Taran Tactical Innovations

    Taran Tactical +4 Magazine Extension for Glock 21

    This is the Taran Tactical magazine extension for the Glock 21. This adds 4 rounds to your factory magazine.  This extension is manufactured from Taran Tactical's premium adonized aluminum, bringing G21 owners enhanced durability and capacity. Its...

    $39.99
  • Glock 42 magazine extension Glock 42 mag extension Glock 42 magazine extension plus one

    Pearce Grips

    Pearce Grip +1 Magazine Extension for Glock 42

    This is the Peace Grip plus one magazine extension for the Glock 42, which adds a 1 round grip extension to your G42 pistol. Replacing the factory Glock 42 magazine baseplate, this polymer extension gives this popular EDC pistol increased capacity,...

    $9.99
  • Glock base pad Glock base plate Glock 17 base plate

    Strike Industries

    Strike Aluminum Base Plate for Glock 9mm / .40 S&W

    Reinforced aluminum baseplate for full-size Glock 9/40 pistol magazines.   This is the Strike Industries 9/40 plus zero base plate. This fits doublestack Glock magazines chambered in 9mm and .40S&W. This does not provide any added capacity...

    $15.99
  • Glock 26 grip extension Glock 27 grip extension

    Pearce Grips

    Pearce Grip +5/8" Magazine Grip Extension for Glock 26/27

    This is the Pearce Grip +5/8" magazine extension for the Glock 26/27, which adds an extra 5/8 inch grip to your G26/27 magazine. This magazine extension replaces the factory magazine baseplate, and does not interfere with other factory magazine...

    $9.99
  • Glock 30 extension Glock 30 magazine extension

    Pearce Grips

    Pearce Grip Magazine Grip Extension for Glock 30/30SF/30S

    This is the Pearce Grip magazine grip extension for the Glock 30. This G30 extension fits Glock 30, 30SF, and 30S pistols.  Replacing the factory Glock 30 magazine baseplate, this Pearce Grip extension provides extra gripping surface without...

    $9.99
  • glock 42 magazine extension glock 42 mag extension glock 42 magazine extension plus two

    Strike Industries

    Strike EMP +2 Magazine Extension for Glock 42

    This is the Strike magazine extension for the Glock 42, which adds 2 rounds to your factory G42 magazine.  Its lightweight polymer body offers increased capacity and durability you can count on. Its stippled grip matches the Glock 42 pistol grip -...

    $12.99
  • Strike Industries Glock 43 magazine extension Glock 43 magazine extension Glock 43 mag extension Glock 43 magazine extension plus 2

    Strike Industries

    Strike EMP +2 Magazine Extension for Glock 43

    This is the Strike magazine extension for the Glock 43, which adds 2 rounds to your factory G43 magazine.  Its lightweight polymer body offers increased capacity and durability you can count on. Its stippled grip matches the Glock 43 pistol grip -...

    $12.99
  • Glock 43x magazine extension Glock 48 magazine extension Glock 43x mag extension Glock 48 mag extension

    Strike Industries

    Strike EMP +2 Magazine Extension for Glock 43X/48

    This is the Strike magazine extension adds 2 rounds to your factory Glock 43X / 48 magazine. Its lightweight polymer body offers increased capacity and durability you can count on. Its stippled grip matches that of the Glock 43X/48 pistol grip, giving...

    $12.99
  • Glock 26 magazine extension Pearce Grip Glock 26 magazine extension

    Pearce Grips

    Pearce Grips +3/2 Magazine Extension for Glock 26/27

    This is the Pearce Grip +3/2 magazine extension for the Glock 26/27. It adds three rounds to G26 mags and two rounds to G27 mags. This magazine extension replaces the factory magazine baseplate, and does not interfere with other factory magazine...

    $9.99
  • Glock 26 magazine extension Glock 27 magazine extension Glock 26 mag extension

    Pearce Grips

    Pearce Grip +1" Magazine Grip Extension for Glock 26/27

    This is the Pearce Grip grip extension for the Glock 26/27, which adds an extra inch in length to your factory Glock magazine. This magazine extension replaces the factory magazine baseplate, and does not interfere with other factory magazine components...

    $9.99
  • Pearce Grips Glock 43 Plus 1 Magazine Extension Glock 43 plus 1 Magazine Extension Glock 43 plus 1 mag extension Glock 43 magazine extension

    Pearce Grips

    Pearce Grip +1 Magazine Extension for Glock 43

    This is the Peace Grip magazine extension for the Glock 43, which adds a 1 round grip extension to your G43 pistol. Replacing the factory Glock 43 magazine baseplate, this plus-one polymer extension gives this popular EDC pistol increased capacity,...

    $9.99
  • Glock 19 Magazine Extension Glock 23 Magazine Extension

    Taran Tactical Innovations

    Taran Tactical +3/2 Magazine Extension for Glock 19/23

    This is the Taran Tactical magazine extension for the Glock 19/23. This adds 3 rounds to Glock 19 magazines and 2 rounds to Glock 23 magazines.  This extension brings enhanced durability to your Glock magazine, as its made from adonized aluminum...

    $33.99
  • Glock 42 plus one extension

    Taran Tactical Innovations

    Taran Tactical +2 Magazine Extension for Glock 42

    This is the Taran Tactical magazine extension for the Glock 42. This adds 2 rounds to your factory magazine.  This Glock extension is manufactured from Taran Tactical's premium adonized aluminum, bringing G42 owners enhanced durability and...

    $28.99
  • glock 43 magazine extension Glock 43 mag extension

    Taran Tactical Innovations

    Taran Tactical +3 Magazine Extension for Glock 43

    This is the Taran Tactical magazine extension for the Glock 43. This extension adds an extra 3 rounds to factory Glock 43 magazines.  This TTI mag extension is manufactured from hard-adonized aluminum, which promises enhanced durability and capacity...

    $36.99
20 of 22 Items