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  1. Apex Tactical 1 item
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Caliber
  1. 10mm Auto 2 items
  2. 12 Gauge 1 item
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  7. 45 Auto (ACP) 2 items
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  9. 5.7 x 28mm 1 item
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Capacity
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  9. 9-Round 1 item
  10. 10-Round 1 item
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  12. 18-Round 2 items
  13. 23-Round 2 items
  14. 40-Round 1 item
Material
  1. Aluminum 55 items
  2. Brass 1 item
  3. Carbon Fiber / Aluminum 4 items
  4. Polymer 62 items
  5. Stainless Steel 28 items
Inventory
  1. In Stock 136 items
  2. Out of Stock 33 items
Customer Rating
  1. 5
    32 items
  2. 4
    & up     57 items
  3. 3
    & up     68 items
  4. 2
    & up     73 items

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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  3. Warne Scope Mounts +3 / +2 Extended Base Pad for Glock 17 / 22
    Warne Scope Mounts +3 / +2 Extended Base Pad for Glock 17 / 22
    (1)
    $39.99 $29.99 Save $10.00
  11. 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
  12. Lancer Systems LSX Extended Shotgun Magazine Tube for Beretta 1301 Shotguns
    Lancer Systems LSX Extended Shotgun Magazine Tube for Beretta 1301 Shotguns
    $97.99 $135.99 $67.99 $84.99 Save $51.00
  13. Lancer Systems LSX Extended Shotgun Magazine Tube for Mossberg 590 / 835 Shotguns
    Lancer Systems LSX Extended Shotgun Magazine Tube for Mossberg 590 / 835 Shotguns
    $97.99 $135.99 $67.99 $84.99 Save $51.00
  14. Warne Scope Mounts +3 / +2 Extended Base Pad for Glock 19 / 23
    Warne Scope Mounts +3 / +2 Extended Base Pad for Glock 19 / 23
    (3)
    $39.99 $29.99 $34.99 Save $10.00
  18. Lancer Systems LSX Extended Shotgun Magazine Tube for Benelli Shotguns
    Lancer Systems LSX Extended Shotgun Magazine Tube for Benelli Shotguns
    $98.99 $137.99 $67.99 $84.99 Save $53.00
  19. Lancer Systems LSX Extended Shotgun Magazine Tube for Remington Shotguns
    Lancer Systems LSX Extended Shotgun Magazine Tube for Remington Shotguns
    $97.99 $135.99 $67.99 $84.99 Save $51.00
  20. Walther Taylor Freelance +0 Competition 9mm / .40cal Magazine Extension for PPQ Pistols
    Walther Taylor Freelance +0 Competition 9mm / .40cal Magazine Extension for PPQ Pistols
    (1)
    $30.99 $35.99 $25.99 Save $10.00
  35. Tyrant Designs +1 Magazine Extension for Glock 43 Pistols
    Tyrant Designs +1 Magazine Extension for Glock 43 Pistols
    $29.95 $29.99 $19.99 $26.99 Save $10.00
  37. 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
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