Adaptive Tactical 1081039: Presenting the Tac-Hammer RM4 Stock, one of the most technically advanced and multi-functional stocks designed for the widely favored Ruger 10/22 rifle. Packed with numerous features, this inventive stock tops others available in the market. It comes with a removable barrel insert that ensures a tailored fit for both standard tapered barrels as well as .920\" bull barrels. A patented Stowaway accessory rail is skillfully hidden within the forend and can be reversed when needed for a bi-pod or other add-ons. Experience improved performance and a customized length-of-pull with the adjustable M4 type butt-stock, which conveniently houses storage compartments on both sides for two extra Ruger rotary magazines. The pistol grip is crafted to accommodate the spring-loaded Tac-Hammer Monopod to augment stability (available separately).