LaRue Tactical RISR Reciprocating Inline Stock Riser FDE

LaRue Tactical RISR Reciprocating Inline Stock Riser FDE. It's a fact that some AR's need a cheek riser to get proper cheekweld for raised scopes or rifles with raised rails. It's another fact that standard AR charging handles require a lot of travel making it impossible to charge a rifle without moving a collapsible stock all the way to the rear. The LaRue RISR solves these problems. Made out of glass-reinforced polymer the RISR is spring-loaded and travels to the rear as the charging handle is