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    36 items
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    & up     66 items
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    & up     77 items
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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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  5. Kel-Tec P11 Black Grip Extension
    Kel-Tec P11 Grip Extension
    (37)
    $7.99
  13. Tyrant Designs 9mm +5 Magazine Extension for Springfield Echelon Pistols - BLK
    Tyrant Designs 9mm +5 Magazine Extension for Springfield Echelon Pistols
    (5)
    $39.99 $32.99 $35.99 Save $7.00
  15. 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
  16. Odin Works +5 Magazine Extension for Sig Sauer P320 Pistols - Black
    Odin Works +5 Magazine Extension for Sig Sauer P320 Pistols
    (1)
    $39.99 $38.99 Save $1.00
  17. Odin Works 9mm / .40 SW +5/4 Magazine Extension for Smith & Wesson M&P Pistols - Black
    Odin Works 9mm / .40 SW +5/4 Magazine Extension for Smith & Wesson M&P Pistols
    $39.99 $37.99 Save $2.00
  32. 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
  36. 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
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