Excalibur NEW Matrix 310 The Matrix 310 offers many of the same features as ExcaliburÃââs popular Matrix 355 and Matrix 380 crossbows that debuted a year ago, including the Compact Recurve Technology design. However, due to its mere 10.9inch powerstroke itÃââs even easier to cock, weighs an astonishing 5.1 pounds, and comes fully dressed in Mossy OakÃââs Breakup Infinity Camouflage The Matrix 310 is available only as a package, which also features:  Excalibur R.E.D.S systems  Multiplex scope  A fourarrow quiver with bracket  four Diablo arrows  150grain field points. Specifications Velocity: 310 FPS Draw Weight: 200 lbs. Power Stroke: 10.9" Mass Weight: 5.1 lbs. Overall Length: 33.9" Arrow Length: 18" Arrow Weight: 350 Grains Stock Type: Thumbhole Finish: Mossy Oak BreakUp InfinityàArrow speeds obtained using 350 grain arrow and optional 1989 Flemish Dyna Flight String