ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality.Features:Magazine body constructed of heat treated carbon steel with black oxide finishInjection molded magazine followerMagazine spring formed from heat treated music wireMade in USASpecifications:UPC 708279000423Manufacturer ProMagManufacturer Part # SIG 06Type MagazineCaliber 380 ACPCapacity 7 RoundsColor BlueFit P230Subcategory Pistol MagazinesFinish Blued