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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. Tyrant Designs Magazine Extension for Glock 19 / 23 Pistols - BLUE
    Tyrant Designs Magazine +5 / 4 Extension for Glock 19 / 23 Pistols
    (22)
    $39.99 $33.99 $35.99 Save $6.00
  2. Tyrant Designs 9mm +4 Magazine Extension for Glock 43X / 48 Pistols - BLUE
    Tyrant Designs 9mm +4 Magazine Extension for Glock 43X / 48 Pistols
    (17)
    $39.99 $35.99 Save $4.00
  3. Tyrant Designs +4/5 Magazine Extension for Glock 17, 22, 34, 35, 19X, 45 Pistols-Blue
    Tyrant Designs +4/5 Magazine Extension for Glock 17, 22, 34, 35, 19X, 45 Pistols
    (12)
    $39.99 $35.99 Save $4.00
  4. Tyrant Designs +2 Magazine Extension for Glock 43 Pistols - BLUE
    Tyrant Designs +2 Magazine Extension for Glock 43 Pistols
    $32.99 $20.99 $28.99 Save $12.00
  5. Tyrant Designs Glock 43 +3 Magazine Extension (BLUE) Right
    Tyrant Designs +3 Magazine Extension for Glock 43 Pistol Magazines
    (16)
    $34.99 $26.99 $31.99 Save $8.00
  6. Tyrant Designs Glock 43 +1 Magazine Extension (BLUE) Right
    Tyrant Designs +1 Magazine Extension for Glock 43 Pistols
    $29.95 $29.99 $19.99 $26.99 Save $10.00
  7. Backup Tactical +5 Magazine Extension for Glock 19 / 23 Pistols - Blue
    Backup Tactical +5 Magazine Extension for Glock 19 / 23 Pistols
    (1)
    $59.99 $54.99 Save $5.00
  8. Odin Works Magpul GL9 Glock 17 / 19 / 26 Magazine Base Pad - Blue
    Odin Works Magpul GL9 Glock 17 / 19 / 26 Magazine Base Pad
    Out of stock
    $35.99 $33.99 Save $2.00
  9. Odin Works +5 Magazine Extension for Glock 17 / 22 Pistols - Blue
    Odin Works +5 Magazine Extension for Glock 17 / 22 Pistols
    $35.99 $39.99 $33.99 $37.99 Save $2.00
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