MTM Shoulder Guard Rifle Rest - The Shoulder-Gard Rifle Rest (SGR) is MTM's first recoil reduction rest. With the growing popularity of magnum caliber rifles, heavy recoil can be a real pain. To address this issue, MTM has made a 4-point, flexible base, shooting rest designed to ease the shoulder punishment of sighting-in powerful magnum rifles. With the growing popularity of magnum caliber rifles, heavy recoil can be a real painTo address this issue, MTM has made a 4-point, flexible base, shooting rest designed to ease the shoulder punishment of sighting-in powerful magnum rifles