This is a Bravo Company Grip known as the BCM Gunfighter, model BCM-VG-MCMR-MOD-3-FDE.
Bravo Company's BCM Gunfighter's Vertical Grip MOD 3 is M-Lok compatible. It has a low-profile length for increased mobility and decreases "snag" factor. The forward angle increases the rigidity of the forearm while providing a more natural wrist angle. It can be mounted in reverse angle to increase your control when grabbing the handguard and grip. The flat sides with aggressive texture give better yaw control to the shooter during firing and non-firing manipulations. It is manufactured from high quality" impact resistant polymers. Made in the USA.
Features:
M-LOK compatible
Low-profile length
A lightweight design at 1.9 ounces