Available in Red/Carbon Black or Blue/Carbon Black. These grips are additively manufactured using premium Engineering grade Carbon Fiber reinforced polymer. The unique internal compound lattice structures of the SG-1 & SG-2 grips enable these unique grips to be almost 80% air on the inside. No other method of manufacturing can construct a grip like this. Typical weights are 1.3-1.6 oz without screw. Which is a full half ounce lighter than any other production grip ever made. This makes Future Forged second lightest type of grip. Like all Future Forged Grips, the inside features a complex structure similar to what you would find in advanced aerospace materials. No injection molded type Mfg: Future Forged Ltd