Blued steel construction Stainless steel wire spring Injection-molded polymer follower Flat polymer floor plate Factory OEM magazine Compatible with compact Baby Desert Eagle II pistols chambered in .40 S&W, the Magnum ResearchA(R) Baby Desert Eagle II .40 S&W 10-Round Magazine is a genuine Magnum Research magazine, designed to deliver consistent operation and jam-free feeding performance in fast-action tactical and combat applications. Featuring durable stainless steel construction with a corrosion-resistant finish, this magazine offers unparalleled strength and durability, while the flush-fit injection-molded polymer floor plate offers improved durability. Better yet, this centerfire pistol magazine boasts a high-tensile steel spring and heat-treated polymer follower, engineered to deliver proper cartridge alignment and consistent operation for reliable, jam-free feeding in virtually any environment. Made in USA.