B5 Systems Sierra K Stock, Coyote Brown - SRK1657

The B5 Systems Sierra K is a rifle stock designed for AR-15 platform rifles with mil-spec receiver extensions. Constructed from durable polymer material, it measures 9.9 inches in length with a 7.0-inch width and 1.9-inch height for ergonomic handling and stability. This stock installs directly onto standard AR-15 receiver extensions and features the signature B5 Systems design for comfort and control.