F.A.B. Defense Gradus Pistol Grip, Fits AR, Black FX-GRADUSB The Gradus pistol grip incorporates the results of numerous requests for an ergonomic rubberized grip that will have a relatively straight profile for long range precision shooting and CQB scenarios. It was designed with a 15 degree profile and rigorous attention to ergonomics for a purposeful grip" enabling a comfortable long range session or an intensive CQB drill.