SIG SAUER M18 Proforce Series 21 Round Green Gas Magazine

Calculated at Checkout

Why buy from Airsoft Station?

  • FREE SHIPPINGOn purchases over $199
    (lower 48 states)
  • Returns & WarrantyReturns & Warranty Policy
    for 30 days
  • RAVE reviewsRated 4.6/5 by 35,000+
    Happy Customers

Make sure you’re prepared for whatever may come your way, and pick yourself up a spare 21 round magazine for your SIG SAUER M18 airsoft pistol. Constructed fully from metal alloy, this spare magazine option can withstand high impact drops, and offers a more authentic weight to your lowdown. Green Gas or propane powers this magazine, which is filled directly within. A high tension internal steel spring ensures rapid and smooth BB feeding from the magazine to the firing chamber, with less risk of jams. Extend your training sessions to further hone your skills, and pick yourself up a spare 21 round magazine today.


  • Compatibility: SIG SAUER M18 Proforce Series Blowback Airsoft Pistols
  • Color: Black / Tan
  • Capacity: 21rd
  • Green Gas / Propane Version
  • Full Metal Alloy Construction
  • High Tension Internal Spring









Power Source:
Green Gas
30 Day Return / 30 Day Warranty

Customer Reviews