S/S Bolt Kit - 6pt. (5) 5/16-18 x 1.250

The ARP S/S Bolt Kit – 6pt. (5) 5/16-18 x 1.250 is a professional-grade stainless steel fastening solution designed for high-reliability tactical and military applications. It is ideal for operators and armorers who require components that can withstand harsh field conditions, including salt spray environments and extended storage without degradation. This five-piece bolt kit serves as a critical upgrade or replacement for precision rifle builds, optic mounts, and modular weapon systems.

Each bolt in this kit features a 6-point socket drive geometry, providing superior grip contact compared to 4-point designs. This design reduces the risk of rounding or stripping under high torque loads, which is essential when dealing with composite stocks, aluminum receivers, and precision-machined accessories. The 5/16-18 thread specification (5/16-inch diameter, 18 threads per inch) is a standard fastener size across AR platform components, Picatinny rail systems, and tactical handguard interfaces.

The 1.250-inch length of the bolts accommodates mid-weight mounting applications without bottoming out in shallow tapped holes. This kit is particularly beneficial for those assembling duty rifles or maintaining existing hardware in maritime, desert, or tropical operational theaters. With its stainless steel construction, the ARP S/S Bolt Kit ensures corrosion resistance and long-lasting performance.