Retay manufactures the Masai Mara shotgun, a lightweight high-performance semi-automatic recoil-driven shotgun based on the original design by Bruno Civolani. The Masai Mara uses Retay’s patented design improvements to the Civolani rotating bolt. Called the Retay Inertia Plus ™ system, it is the world’s most advanced and refined kinetic energy–driven rotating shotgun bolt. Inertia Plus eliminates out-of-battery misfire. The Masai Mara also incorporates a one-of-a-kind push-button removable trigger group and removable ejector system to improve maintenance and service of (less)