Ruger P85 Firing Pin Block Spring, Used, Excellent. $10.00 Excellent condition, used firing pin block spring, for Ruger P85. In stock Ruger P85 Firing Pin Block Spring, Used, Excellent. quantity Add to cart Category: Ruger Related products Ruger Mini 14/30 Extra Power Hammer Spring $14.97 Ruger GP-100 Trigger Return Spring 10lb. $9.97