Ultimate Arms Gear Chainsaw Zombie Breacher Tactical Combat Assault Front Forward Foregrip Grip Handle Hip Shooting Pump Reload Action Fits For ATI German Sports Gun GSG5 GSG-5 GSG 5 MP5 Rifle Chainsaw Grip Will Fit Any Weaver Picatinny Rail System On Your Forend. Chainsaw Grip Is Intended To Be Fired From The Hip, This Top Handle Allows The User To Cycle The Action While Simultaneously Maintaining Leverage Above The Gun To Help Tame Muzzle Flip. Molded Of Sturdy Reinforced High Grade Tactical Black Colored Polymer. Easy Installation - No Gunsmithing Required - Secure Chainsaw Grip with Allen Key Onto Weaver Picatinny Rail ! Provides A Great Tactical Edge And Natural Fighting Stance Hold To Enhance Accuracy And Control.