This is a KCI® H&K MP5 / SP5K 9mm 20-round magazine.
KCI is committed to providing products of exceptional value and performance, and this 20-round MP5/SP89 magazine is no exception. This rugged steel magazine is protected against corrosion by KCI’s cation electrodeposition coating process, with a polymer follower and steel music wire spring to ensure consistent feeding. These affordable 20-round steel magazines are made in South Korea and are compatible with any firearm that takes standard H&K MP5 9mm mags, including the MP5, MP5k, SP89, SP5K Zenith, MKE, Omega, POF, HK Contract MP5 variants, SW5, BW5, CA94, D54, V94, clones, and AR builds with 9mm MP5 magwells. Plus, KCI USA backs every KCI magazine with a lifetime limited warranty.