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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. Die Free Co Dos Boot +2 Magazine Extension for Magpul Gen3 AR-15 PMAGs 3-Pack - BLK
    Die Free Co Dos Boot +2 Magazine Extension for Magpul Gen3 AR-15 PMAGs 3-Pack
    (2)
    $20.99
  6. Tyrant Designs Glock 43 +2 Magazine Extension (BLACK) Right
    Tyrant Designs +2 Magazine Extension for Glock 43 Pistols
    $32.99 $20.99 $28.99 Save $12.00
  7. Tyrant Designs S&W M&P Shield Plus 2 Aluminum Magazine Extension Black Left View
    Tyrant Designs S&W M&P Shield +2 Aluminum Magazine Extension
    (19)
    $29.99 $19.99 $26.99 Save $10.00
  9. Mec-Gar +2 Magazine Extension for Glock 17 / 19 Pistols - Black
    Mec-Gar +2 Magazine Extension for Glock 17 / 19 Pistols
    Out of stock
    $16.99 $10.99 Save $6.00
  10. TacStar Extended Shotgun Magazine Tube for Remington 870
    TacStar Extended Shotgun Magazine Tube for Remington 870
    Out of stock
    $74.99 $79.99 $51.99 $54.99 Save $25.00
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