This is a TROY Grip known as the Battle Ax CQB, model SGRI-EHC-00BT-00.
Everything you want and need is in this ultimate grip. Featuring a refined grip angle" The Troy Control Grip sets your hand close to the receiver" leading your arm and shoulder into a proper shooting position. The aggressive scale pattern keeps the shooter's hand in place while the locking door creates a convenient storage compartment. Fitting all M4" M16/AR15 and FN SCAR rifles with the superior strength of rugged military-grade polymer" the Troy Control Grip is the perfect solution for Close Quarters Battle.
Features:
Black finish
Fits AR-15
Excellent ergonomics
Military grade polymer