The ERGO original black RIGID is an ergonomically designed pistol grip that fits all AR-15/M16 rifles. This black ambidextrous pistol grip features the RIGID texture. Features and Specifications:
Manufacturer Number: 4015-BK
Ergonomically correct finger grooves
Ambidextrous (works for right & left handed shooters)
Integrated rear upper extension supports the web of your hand
Superior textured finish improves weapon control
Virtually impervious to oils and solvents
RIGID texture features a hard polymer grip for a firm feel
Color: Black
Ambidextrous
Made in the USA

Fits:
All AR-15/M16 rifles