VZ’s Alien Grips are machined from a solid block of G10 and incorporate a 17° angle and textured grip. They’re offered in several colors including the new Black/Red version, all in two lengths:
Standard: 4″ OAL – 3.6oz
Shorty: 3.75″ OAL – 3.4oz
vzgrips.com/products/ar-15-alien-gen-2-rifle-grip