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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. Lancer L5AWM Plus 6-round Extended Magazine Basepad
    Lancer L5AWM Plus 6-round Extended Magazine Basepad
    (57)
    $24.99 $27.99 $22.99 $25.99 Save $2.00
  2. Die Free Co Dos Boot +2 Magazine Extension for Magpul Gen3 AR-15 PMAGs 3-Pack
    Die Free Co Dos Boot +2 Magazine Extension for Magpul Gen3 AR-15 PMAGs 3-Pack
    (2)
    $20.99
  3. Shield Arms +5 Magazine Extension for Magpul Gen 3 AR-15 PMAGs
    Shield Arms +5 Magazine Extension for Magpul Gen 3 AR-15 PMAGs
    $43.99
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