BARSKA 10-22 Ruger Base Mount Rugged base mount specially designed for Ruger 10-22 rifles Can be used on a rifle's iron sight, and attaches quickly and easily to a hand guard T6 aluminum construction is lightweight yet durable for long-lasting use Weaver, picatinny, and dovetail rails; 4.14-inch rail; black matte finish Includes limited one-year manufacturer's warranty