Set of 5 Silverback spring guide washers Desert Tech HTI

Set of 5 Silverback spring guide washers for Desert Tech HTI replicas. Precision-engineered metal shims enable spring preloading for optimized performance and consistency. Each washer features an outer diameter of 21.42mm, inner diameter of 17.22mm, and 1.94mm thickness—designed for exact fitment and durability in high-performance builds.