ravin crossbows new accessories bracket powered by helicoil coil cams helicoil cables collaway from both the top and bottom of the cams in helical grooves keeping and downrange accuracy level cams helicor technology keeps both cams perfectly level when drawing and shooting the crossbow this allows the arrow to free-float above the rail downrange accuracy 340' cams helicoil technology allows the cams to rotate efficient and accurate crossbow ever! helicoil® is the engine behind ravin has several industry-changing advantages that all work together to create the most accurate crossbow ever designed new accessories bracket outdoorlife editor's choice