AiMCR (Anti Material Configurable Rifle) is a rifle based on the Remington 870. Unlike the Remington, the AiMCR has a 2.5x larger muzzle diameter, 8 studs (2.24 meters) longer, and a circular magazine 9.5 studs (2.66 meters) in diameter and 9.5 studs (2.66 meters) in height. The magazine can be retrofitted to any bullet design. The AIMCR can carry many different bullet types such as 125x 7.62mm, 65x 12.7mm, 100x 12 Gauge shells, and 16x 84mm rockets. The AIMCR has 2 modes: semi-auto, and full auto.