Fab Defense M4 Conversion Kit Features The FAB Defense M4 Conversion Kit Chassis drops onto a standard or bull barreled Ruger 10/22 for a quick tool friendly installation that swaps the factory stock for a full chassis system. The collapsible buttstock offers five length options so the rifle can be adjusted to fit different shooters or layered clothing across seasons. A side folding design left folding by default shortens the overall length for compact storage and transport without removing the stock entirely. Quick detach sling swivel sockets on both sides let the shooter add a sling wherever it is most useful for the way the rifle is carried. Picatinny accessory rails along the sides and bottom of the chassis give the shooter a standardized mounting surface for lights lasers bipods and other 1913 MIL-STD accessories. The pistol grip is shaped with finger grooves and a contoured backstrap that promotes a secure repeatable hold and smoother trigger operation. Built from durable lightweight fiberglass reinforced polymer the chassis stands up to regular range use while keeping the overall rifle weight manageable. The FAB Defense M4 Conversion Kit Chassis gives Ruger 10/22 owners a straightforward path to a more tactical accessory ready rimfire rifle for sale at GrabAGun. Fab Defense M4 Conversion Kit Specifications Manufacturer: Fab Defense Model: M4 Conversion Kit Compatible Hosts: Ruger 10/22 Standard and Bull Barrels Color: Black Material: Fiberglass Reinforced Polymer Stock Type: Collapsible Side Folding Chassis Grip Type: Pistol Grip with Finger Grooves Rail System: Picatinny Side and Lower Rails Handedness: Right Hand Available At: GrabAGun