Constructed from micro-adjustable dampening rods and high impact rubber dampeners to considerably reduce crossbow noise. Compatible ModelsMost TenPoint crossbows, including Titan M1 and Turbo M1All pre-2015 Wicked Ridge crossbowsWicked Ridge M-370 crossbowAll Raider CLS and Warrior HL modelsHorton Legend Ultra LiteNOT Compatible withRDX or NXT crossbowsRCX crossbows with built-in dampenersWicked Ridge Invader X4, Invader G3, Warrior Ultra-Lite, Warrior G3, Ranger or Lady Ranger models TenPoint Crossbows TenPoint String Dampening System SDS for Select TP Models Blk HCA-148