Ergo Surestop Tactical Hand Stop Black. These Handstop Grips from ERGO is ideal for use on short-barreled rifles and shotguns and it fits any Picatinny rail system. The Grips Surestop Tactical Rail Hand Stops acts as a hand positioning device to assist your weapon control and movement in the field. Enhance your weapon control with the help of this Ergo Surestop Tactical Hand Stops. Specifications for Ergo Surestop Tactical Hand Stops: Manufacturer: ERGO Color: Black Fabric/Material: Rubber/Steel Condition: New Mount Type: Picatinny Gun Make: AR Platform Attachment Type: Picatinny Gun Type: Shotgun Rifle Gun Model: AR-15 Features of Ergo Grip Surestop Tactical Rail Hand Stop Useful on short barrel rifles and shotguns Can act as a hand positioning device Compatible with any picatinny rail system Package Contents: Ergo Surestop Tactical Hand Stops Mounting hardware What firearm models does the manufacturer say Ergo Surestop Tactical Hand Stops is compatible with? The manufacturer suggests that Ergo Surestop Tactical Hand Stops is compatible with AR-15Ergo Grip 4201-SS-BK: Ergo Surestop Tactical Rail Hand Stop-black Black