This is a VZ Grips Rifle Grip known as the Alien, model RG-01-02-03.
VZ Grips' rifle grips are like none other. Each one is machined from a solid block of G10 with a 17 degree angle for unmatched durability" texture" and comfort. They are offered in the best selling textures you've all come to know and love. Match them up with VZ's rail grips and hand stops to create a complete system for your gun. You can even match them up with your favorite 1911 grip texture to have that consistent feel between platforms. Like everything else they manufacture" it's made right here in the great USA" the VZ way.
Features:
270 deg of machined texture
Machined from a solid piece of G10
17 deg angle
4 OAL - 3.6oz;Stainless steel hardware included