FEATURES -Replacement for AR15/M4 pistol-grip* -One-piece reinforced polymer construction -More vertical grip angle than standard A2 grips -Unique backstrap design for proper trigger finger placement -Aggressive TSP texture (Trapezoidal Surface Projections) for positive weapon control in all environments -Includes a basic grip cap, but accepts optional Storage Cores for customized gear stowage *Note: This grip will function properly with 7.62 NATO AR10/SR25 style of rifles but, depending on the make of the rifle, may or may not leave a gap between the backstrap's 'beaver tail' & the receiver. This gap is purely aesthetic & will not affect function.