Optimize your Mossberg 500 with the TacStar Polymer SideSaddle a sleek and efficient solution for carrying extra ammunition. This black smooth-finished shotshell carrier is specifically designed to fit the 20 Gauge model holding up to four rounds securely. Crafted with a durable polymer shell carrier and an aluminum mounting plate it attaches directly to the shotgun receiver ensuring a seamless fit with no need for professional installation. Its thoughtful design provides ample clearance for longer forends making it a practical choice for quick and easy reloads in any situation.