Silverback SRS A1 / A2 Replacement O-ring Set

The Silverback SRS replacement O ring set is a first party original part designed to work with the SRS rifles. 

Compatibility: 

• Silverback Desert Tech SRS A1 
• Silverback Desert Tech SRS A2 

Includes: 

• x1 Silverback SRS A1 / A2 Replacement O-ring Set