This is a factory Heckler & Koch blued steel magazine designed for the USP Compact, and the P2000 SK sub compact. The maximum capacity for this magazine is 13 rounds.
Heckler & Koch is a German defense manufacturing company that manufactures handguns, military rifles, submachine guns, and grenade launchers. HK is also the maker of premier brand firearms for the sporting and commercial markets. Its reputation for quality, innovation, and safety make Heckler & Koch a recognized leader in the development of technologically advanced products.
The P2000 SK (subcompact) combines elements of the successful HK USP Compact pistol with recent technological innovations from HK engineers — only in a smaller, more concealable design.The P2000 is a short-recoil operated locked breech pistol with a modified Browning-type linkless cam action with a vertically tilting barrel also employed in the USP series of self-loading pistols, as well as most modern linkless semi autos.
The HK USP Compact is a small frame pistol capable of firing the most powerful cartridges in 9 mm, .40 S&W, .45 ACP. Based on the full-size USP models, these handy pistols combine compact size with optimum effective shooting performance. Easy to shoot, simple to maintain; the USP Compact is a reliable, safe, accurate, and highly concealable pistol.