Don't use some suspect quality pistol grip for your AR rifle; Ours are made from DuPont Nylon 6.6, a Standard of Quality.
AR-15 Pistol Grip with Storage Compartment
Ergonomic AR-15 Pistol Grip with Storage Compartment
Mounts onto AR-15/ M4/ M16 lower receivers. Uses standard Pistol Grip bolt/screw from LPK
Ergonomic design to fit comfortably in the Operators hand. Finger Grooves, Thumb Rest, Grip Texture, and w/ Back-Strap Tang
Storage Compartment can store two each CR123A batteries, spare parts, or emergency survival supplies
Reinforced Polymer Construction