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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. Shield Arms +5/+4 Magazine Extension for Glock 17 / 22 Pistols - Gray
    Shield Arms +5/+4 Magazine Extension for Glock 17 / 22 Pistols
    (3)
    $39.99 $35.99 $36.99 Save $4.00
  2. Warne Scope Mounts +5 / +4 Extended Base Pad for Glock 19 / 23 - Gray
    Warne Scope Mounts +5 / +4 Extended Base Pad for Glock 19 / 23
    $49.99 $29.99 $39.99 Save $20.00
  3. Tyrant Designs Magazine Extension for Glock 19 / 23 Pistols - GRY
    Tyrant Designs Magazine +5 / 4 Extension for Glock 19 / 23 Pistols
    (22)
    $39.99 $33.99 $35.99 Save $6.00
  4. Tyrant Designs 9mm +4 Magazine Extension for Glock 43X / 48 Pistols - GRY
    Tyrant Designs 9mm +4 Magazine Extension for Glock 43X / 48 Pistols
    (17)
    $39.99 $35.99 Save $4.00
  5. Shield Arms +5/+4 Magazine Extension for Glock 19 / 23 Pistols - Gray
    Shield Arms +5/+4 Magazine Extension for Glock 19 / 23 Pistols
    $39.99 $34.99 $35.99 Save $5.00
  6. Tyrant Designs +4/5 Magazine Extension for Glock 17, 22, 34, 35, 19X, 45 Pistols - Gray
    Tyrant Designs +4/5 Magazine Extension for Glock 17, 22, 34, 35, 19X, 45 Pistols
    (12)
    $39.99 $35.99 Save $4.00
  7. Tyrant Designs +2 Magazine Extension for Glock 43 Pistols - GRY
    Tyrant Designs +2 Magazine Extension for Glock 43 Pistols
    $32.99 $20.99 $28.99 Save $12.00
  8. Tyrant Designs Glock 43 +3 Magazine Extension (GREY) Right
    Tyrant Designs +3 Magazine Extension for Glock 43 Pistol Magazines
    (16)
    $34.99 $26.99 $31.99 Save $8.00
  9. Tyrant Designs Glock 43 +1 Magazine Extension (GREY)
    Tyrant Designs +1 Magazine Extension for Glock 43 Pistols
    $29.95 $29.99 $19.99 $26.99 Save $10.00
  10. TangoDown Vickers Tactical Glock G43 +2 Round Magazine Extension - Glock Gray
    TangoDown Vickers Tactical +2 Round Magazine Extension for Glock G43 Magazines
    (1)
    $16.99
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