Magpul

-Replacement for AR15/M4 pistol-grip*-One-piece reinforced polymer construction-Beavertail backstrap for enhanced ergonomics-Positive anti-slip texture-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.