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Magazine Extensions

Maximize your carry capacity with Magazine Extensions from GunMag Warehouse. Whether you’re looking for factory extension sleeves, aftermarket upgrade kits, or extended floor plates for factory and aftermarket magazines, we offer a huge selection of magazine extensions from top-selling brands, such as KRISS®, Ruger®, Tyrant Designs®, and CMMG®. What are you waiting for? Shop our full collection of mag extensions today!

  1. KRISS Vector Gen 2 9mm +23 Round Magazine Extension Kit for Glock 17 Magazines - FDE
    KRISS Vector Gen 2 9mm +23 Round Magazine Extension Kit for Glock 17 Magazines
    (59)
    $32.99

    Add to Cart to See Price.

    $25.99 Save $7.00
  2. KRISS Vector Gen 2 9mm +23 Round Magazine Extension Kit for Glock 17 Magazines 3-Pack - FDE
    KRISS Vector Gen 2 9mm +23 Round Magazine Extension Kit for Glock 17 Magazines 3-Pack
    (8)
    $85.99

    Add to Cart to See Price.

    $67.99 Save $18.00
  3. Strike Industries Aluminum +4 / +5 Magazine Extension for Glock 17 / 22 Pistols - FDE
    Strike Industries Aluminum +4 / +5 Magazine Extension for Glock 17 / 22 Pistols
    $38.99 $43.99 $37.99 $39.99 Save $4.00
  4. Strike Industries +5 Aluminum Magazine Extension for Glock 19 Pistols - FDE
    Strike Industries +5 Aluminum Magazine Extension for Glock 19 Pistols
    (4)
    $38.99 $39.99 $36.99 $37.99 Save $3.00
  5. Mec-Gar +2 Magazine Extension for Glock 17 / 19 Pistols - Flat Dark Earth
    Mec-Gar +2 Magazine Extension for Glock 17 / 19 Pistols
    Out of stock
    $16.99 $10.99 Save $6.00
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