By encapsulating layers of 304 stainless steel within high modulus carbon fiber, Victorys design engineers created a revolutionary arrow. The exterior of the arrow boasts a 90 degree woven carbon fiber to increase compressive strength and reduce torsional deflection. The result is a whisper quiet, small diameter arrow with Extreme Kinetic Energy and unbelievable penetration. Ice Nano Ceramic Coating improves penetration and allows for easy removal from targets. Straightness: Gamer .003, Sport .006. Includes: 30 gr. aluminum Shok insert and Bohning A-nock. Weight: 300 (12.9 gpi), 350 (11.8 gpi), 400 (11.8 gpi).