This is a 8 round extended magazine from ProMag for the Springfield Armory XD-S pistols chambered in .45 ACP.  It is constructed from heat-treated blued-steel, with a follower, lock-plate, and base-plate molded from a proprietary DuPont Zytel based black polymer.

Caliber: .45 ACP

Capacity: 8 rounds

Finish: Blued

Material: Steel

Fits: Springfield Armory XD-S pistols

ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Each step of the assembly process is checked and double checked to maintain the same consistent level of quality.