GrovTec GTSW259 Stock AR Forearm Picatinny Rail Adaptor

The GrovTec GTSW259 Stock AR Forearm Picatinny Rail Adaptor adds a MIL-STD 1913 Picatinny rail to your rifle without forcing you to swap out the factory forearm. Precision CNC machined from lightweight aluminum and finished in a tough Type III black anodize, this adaptor mounts directly to a stock AR handguard so you can run bipods, lights, lasers, vertical grips and other standard 1913-pattern accessories on a bone-stock carbine.

An elongated screw slot on the adaptor accepts a wide range of factory hole-and-slot spacings, letting the GTSW259 install cleanly across most stock AR forearm patterns. Beveled ends reduce snag points against slings, packs and barricades, and the low-profile rail keeps the package slim against the underside of the handguard. Mounting hardware and an Allen key are included for installation.

Built in the USA and backed by GrovTec's limited lifetime warranty.