The Mesa Tactical LEO Gen II Telescoping Stock Adapter transforms your Remington 870 shotgun with AR-15 style ergonomics while maintaining full compatibility with open or bead sights. Engineered specifically for law enforcement applications.Mesa Tactical LEO Gen II Telescoping Stock Adapter KitCompatible with Remington 870 12-gauge shotgunsAccepts standard AR-15 collapsible stocks and pistol gripsAdjustable length of pull for different body sizes and body armorBlack polymer construction for durabilityMaintains use of existing shotgun sightsCompatible with optional KynSHOT hydraulic recoil bufferIdeal for tactical operators and law enforcement who need AR-15 handling characteristics with improved control easier storage and transport and instant adjustability for various operational requirements.