This is a F.A.B. Foregrip, model FX-REGB.
The new REG State-of-the-Art Rubberized Ergonomically Designed Tactical Foregrip has a unique comfortable texture and sleek contour for superior hold.
Features:
Black finish
1913 Picatinny Compatible
Waterproof Storage Compartment
Secure Mount with Durable QD Bolt Locking