Features:

• Original design for the Silverback SRS.
  
  Compatibility:
• Silverback SRS series airsoft rifles.
  
  About:
  The Silverback SRS flat hop up rubber set for the SRS includes all of the four different degree rubbers for the platform. 50 degree rubbers make it easy for you to choose which one suits you best without having to buy all of them one by one.
  
  Includes:
• x1 Silverback SRS Flat Hop Up Rubber Set for SRS (50 degree + 4 nubs)