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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!

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  2. Warne Scope Mounts Extended Base Pad For Glock 19/23 +3/2 Black (Right)
    Warne Scope Mounts +3 / +2 Extended Base Pad for Glock 19 / 23
    (3)
    $39.99 $29.99 $34.99 Save $10.00
  4. Timber Creek Outdoors Magazine Extension for Gen 4 / Gen 5 17, 19, and 34 Pistols - Black
    Timber Creek Outdoors Magazine Extension for Gen 4 / Gen 5 Glock 17, 19, and 34 Magazines
    (2)
    $49.99 $26.99 $29.99 Save $23.00
  5. TangoDown Vickers Tactical Glock G43 +2 Round Magazine Extension - BLK
    TangoDown Vickers Tactical +2 Round Magazine Extension for Glock G43 Magazines
    (1)
    $16.99
  7. Tyrant Designs Glock 43 +3 Magazine Extension (BLACK) Right
    Tyrant Designs +3 Magazine Extension for Glock 43 Pistol Magazines
    (16)
    $34.99 $22.99 $31.99 Save $12.00
  8. Tyrant Designs Glock 43 +2 Magazine Extension (BLACK) Right
    Tyrant Designs +2 Magazine Extension for Glock 43 Pistols
    $32.99 $20.99 $28.99 Save $12.00
  14. Odin Works +5 Magazine Extension for Glock 17 / 22 Pistols - Black
    Odin Works +5 Magazine Extension for Glock 17 / 22 Pistols
    (1)
    $39.99 $37.99 Save $2.00
  15. Warne 9mm +2 Magazine Extension for Glock 43
    Warne 9mm +2 Magazine Extension for Glock 43
    Coupon Available
    $39.99 $34.99 Save $5.00
  20. Backup Tactical +5 Magazine Extension for Glock 19 / 23 Pistols - BLK
    Backup Tactical +5 Magazine Extension for Glock 19 / 23 Pistols
    (1)
    $59.99 $54.99 Save $5.00
  21. Tyrant Designs +4/5 Magazine Extension for Glock 17, 22, 34, 35, 19X, 45 Pistols - Black
    Tyrant Designs +4/5 Magazine Extension for Glock 17, 22, 34, 35, 19X, 45 Pistols
    Out of stock
    (14)
    $39.99 $29.99 $35.99 Save $10.00
  22. Glock 9mm / .40 S&W +2 Factory Magazine Extension
    Glock 9mm / .40 S&W +2 Factory Magazine Extension
    Out of stock
    $8.99 $7.99 Save $1.00
  23. Shield Arms Gen 2 / 3 S15 +2 Magazine Extension
    Shield Arms Gen 2 / 3 S15 +2 Magazine Extension
    Out of stock
    $34.99 $32.99 Save $2.00
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