X2 STTI 23rnd Magazines for M922F NBB Gas Pistol

For sale is 2 air tight 23 round magazines for the STTI M92F pistol, could potentially work in other branded M9's but that's at buyers risk. Just installed 2 new o-rings so they are air tight and should work perfectly. £20 incl P+P, payment via PayPal only, if using goods and services then the buyer will have to pay the difference.