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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 9mm +5 Magazine Extension for Springfield Echelon Pistols - Gold
    Tyrant Designs 9mm +5 Magazine Extension for Springfield Echelon Pistols
    (4)
    $39.99 $32.99 $35.99 Save $7.00
  2. tyrant-designs-glock-19-23-magazine-extension-gold.jpg
    Tyrant Designs Magazine +5 / 4 Extension for Glock 19 / 23 Pistols
    (22)
    $39.99 $33.99 $35.99 Save $6.00
  3. Tyrant Designs 9mm +4 Magazine Extension for Glock 43X / 48 Pistols - GLD
    Tyrant Designs 9mm +4 Magazine Extension for Glock 43X / 48 Pistols
    (17)
    $39.99 $35.99 Save $4.00
  4. Tyrant Designs +4/5 Magazine Extension for Glock 17, 22, 34, 35, 19X, 45 Pistols - Gold
    Tyrant Designs +4/5 Magazine Extension for Glock 17, 22, 34, 35, 19X, 45 Pistols
    (12)
    $39.99 $35.99 Save $4.00
  5. Tyrant Designs +2 Magazine Extension for Glock 43 Pistols - GLD
    Tyrant Designs +2 Magazine Extension for Glock 43 Pistols
    $32.99 $20.99 $28.99 Save $12.00
  6. Tyrant Designs Glock 43 +3 Magazine Extension (GOLD) Right
    Tyrant Designs +3 Magazine Extension for Glock 43 Pistol Magazines
    (16)
    $34.99 $26.99 $31.99 Save $8.00
  7. Tyrant Designs Glock 43 +1 Magazine Extension (GOLD) Right
    Tyrant Designs +1 Magazine Extension for Glock 43 Pistols
    $29.95 $29.99 $19.99 $26.99 Save $10.00
  8. Tyrant Designs +3 Magazine Extension for Sig Sauer P365 X-Macro Pistols - GLD
    Tyrant Designs +3 Magazine Extension for Sig Sauer P365 X-Macro Pistols
    (7)
    $37.99 $39.99 $34.99 $35.99 Save $4.00
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