MEC-GAR Sig Sauer P226 magazine with AFC and 20rdn capacity with +2 basepad.   FEATURES:Caliber 9 mmCapacity 20 High Cap ExtendedIncreased capacity to 20-rounds with "Plus-2" AdapterOnly 5/8" longer than flush-fit magazinesRedesigned tube to improve functionality, heat-treated for strengthAFC – Anti-Friction Coating allows for easy loading and superior anti-corrosion propertiesInterlinked internal components NOTE:This magazine will not work in Taurus PT-111 G2 pistol