The Centennial Defense Systems guide rod adapter ring is made from high quality stainless steel and allows you to use the Gen 1,2, & 3 recoil spring assembly on your Gen 4 Glock.
Finishes Available: Black, Blue, Burnt Bronze, Glock Gray, Glock Tan, Hi-Viz Orange, Nickel, OD Green, Pink, Purple, Red, TiN (Gold), White, Zombie Green
All Centennial Defense Systems products are designed, manufactured, finished and assembled in the USA.