Brenneke GmbH is a German manufacturer of ammunition and bullets, based in Langenhagen, Lower Saxony. The company was founded by Wilhelm Brenneke in 1895 and is currently owned and run by his great-grandson, Dr. Peter Mank. Brenneke makes shotgun shells for target shooting and hunting, special slugs for law enforcement, and hunting rounds as well as projectiles for handloading. Its best-known products are the Brenneke slug for shotguns and a line of rifle bullets.