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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. Odin Works 9mm / .40 SW +5/4 Magazine Extension for Smith & Wesson M&P Pistols - Red
    Odin Works 9mm / .40 SW +5/4 Magazine Extension for Smith & Wesson M&P Pistols
    Out of stock
    $35.99 $39.99 $33.99 $37.99 Save $2.00
  2. Odin Works +5 Magazine Extension for Glock 17 / 22 Pistols - Red
    Odin Works +5 Magazine Extension for Glock 17 / 22 Pistols
    Out of stock
    (1)
    $35.99 $39.99 $33.99 $37.99 Save $2.00
  3. Warne Scope Mounts +5 / +4 Extended Base Pad for Glock 17 / 22 - Red
    Warne Scope Mounts +5 / +4 Extended Base Pad for Glock 17 / 22
    Out of stock
    (3)
    $49.99 $39.99 Save $10.00
  4. Timber Creek Outdoors Sig Sauer P365 Magazine Extension Plate - RED
    Timber Creek Outdoors Sig Sauer P365 Magazine Extension Plate
    Out of stock
    $49.99 $29.99 Save $20.00
  5. Tyrant Designs 9mm +5 Magazine Extension for Springfield Echelon Pistols - Red
    Tyrant Designs 9mm +5 Magazine Extension for Springfield Echelon Pistols
    Out of stock
    (5)
    $39.99 $32.99 $35.99 Save $7.00
  6. Odin Works Magpul GL9 Glock 17 / 19 / 26 Magazine Base Pad - Red
    Odin Works Magpul GL9 Glock 17 / 19 / 26 Magazine Base Pad
    Out of stock
    $35.99 $33.99 Save $2.00
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