Kingman Spyder Striker Spring Guide Flat Disc #27A 15754 (GG05-17)
Kingman Spyder Striker Spring Guide Flat Disc #27A 15754
The flat disc is located between the Striker Spring Guide and the Velocity adjustment screw at the rear of the gun.
The flat disc prevents damage to the spring guide with a velocity adjustment screw that puts pressure on the spring guide.