The ProMag® H&K® VP9 9mm 17-Round Magazine features a heat-treated steel body with a durable black oxide finish for lasting durability, while precise tolerances ensure a snug, like-factory fit for flawless operation. The heat-treated chrome silicon wire spring pairs with the injection-molded polymer follower for smooth, reliable feeding, and the removable polymer floor plate offers quick disassembly for frustration-free maintenance and cleaning. Plus, numbered witness holes allow for quick, visual round counts while on the move. Backed by ProMag’s “no questions asked” lifetime warranty for lasting service you can truly depend on. Made in USA.