Ruger P85 Firing Pin Spring, Used, Excellent. $10.00 Excellent condition, used firing pin spring, for Ruger P85. In stock Ruger P85 Firing Pin Spring, Used, Excellent. quantity Add to cart Category: Ruger Related products Ruger GP-100 / Super Redhawk Hammer Spring 10lb. $9.97 Ruger GP-100 Trigger Return Spring 8lb. $9.97