Hogue AR-15 M-16 Overmolded Rubber Grip With Finger Grooves Black - Hogue rubber grips are molded from durable synthetic rubber that is neither spongy nor tacky yet provides a soft recoil absorbing feel, without affecting accuracy. This modern rubber requires a completely different molding process than ordinary neoprene, which results in a superior grip. The flexibility of our materials and molding process has allowed us to produce rubber grips with features that outperform all other makes.