Excalibur Crossbow R.E.D.S. Suppressors -For Matrix 355 and 380 109929. The recoil energy dissipation system comes as a pair and are strategically positioned on the crossbow to bear the brunt of the string recoil to substantially reduce shock vibration and noise. The pads are removable and replaceable but they also allow you to rotate or reposition ensuring longer pad life. Specifications for Excalibur Crossbow R.E.D.S. Suppressors -For Matrix 355 and 380: Manufacturer: Excalibur Crossbow Condition: New Color: Black Features of Excalibur Crossbow R.E.D.S. Suppressors -For Matrix 355 and 380: Reduces shock vibration and noise Pads are removable For Matrix Series crossbows only Package Contents: Excalibur Crossbow R.E.D.S. Suppressors -For Matrix 355 and 380 Excalibur Crossbow 109929: R.E.D.S. Suppressors -For Matrix 355 and 380