New Arrivals 21pcs/set AR15 Pines 223, 5,56 Spring Retaining Pin Utilities Fits Ruger Precision Rifle 5.56/223, Black

1,MIL-DTL-16232 manganese phosphate for corrosion resistance and increased durability. 2,9-piece complete spring kit included. 3,Made to the highest degree of Mil-Spec tolerances