Tiger Rock AR-15/10 Pistol Grip Trap Door in Bottom Cerakote Pink Small. It has deep finger grooves ambidextrous thumb rests and a contoured beavertail for a secure and comfortable grip. The base opens via a trap door allowing for storage of spare small parts or a cleaning kit. Specifications for Tiger Rock AR-15/10 Pistol Grip Trap Door in Bottom: Manufacturer: Tiger Rock Gun Make: AR Platform Gun Type: Pistol Gun Model: AR-15 Material: High-density Polymer Fiber Fabric/Material: High-Density Polymer Fiber Mount: Polymer Base Grip Type: Pistol Grip Features of Tiger Rock AR-15/10 Pistol Grip Trap Door in Bottom High-density polymer fiber construction Ergonomically designed Storage compartment Package Contents: Tiger Rock AR-15/10 Pistol Grip Trap Door in Bottom What firearm models does the manufacturer say Tiger Rock AR-15/10 Pistol Grip Trap Door in Bottom is compatible with? The manufacturer suggests that Tiger Rock AR-15/10 Pistol Grip Trap Door in Bottom is compatible with AR-15Tiger Rock HG003-PNK: AR-15/10 Pistol Grip Trap Door in Bottom Cerakote Pink Small