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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!

  4. 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
  6. Glock 9mm / .40 S&W +2 Factory Magazine Extension
    Glock 9mm / .40 S&W +2 Factory Magazine Extension
    Out of stock
    $8.99 $6.99 Save $2.00
  11. Warne 9mm +3 Magazine Extension for CZ 75
    Warne 9mm +3 Magazine Extension for CZ 75
    Out of stock
    $39.99 $29.99 Save $10.00
  13. Timber Creek Outdoors Sig Sauer P365 Magazine Extension Plate - BLK
    Timber Creek Outdoors Sig Sauer P365 Magazine Extension Plate
    Out of stock
    $49.99 $27.99 Save $22.00
  17. Walther Q-Series +2 Steel Extended Baseplate
    Walther Q-Series +2 Steel Extended Baseplate
    Out of stock
    $80.99 $71.99 Save $9.00
  23. TangoDown Vickers Tactical Glock G43 +2 Round Magazine Extension - BLK
    TangoDown Vickers Tactical +2 Round Magazine Extension for Glock G43 Magazines
    (1)
    $16.99
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