For your SIG SAUER P229-1 pistol. All Mec-Gar magazines are made in Italy. Since 1965 Mec-Gar has been a world leader in the production of magazines for the largest firearm manufacturers and militaries in the world. Compatible Firearms: SIG SAUER P229-1 Caliber: 9mm Capacity: 17 rounds Coating: Anti-Friction Follower: High-impact polymer Tube: Heat treated carbon steel Spring: High tensile music wire Floorplate: High-impact polymer +2 floorplate