Bolt Kit - 12pt - 5pk 3/8-16 x 4.250

The Bolt Kit - 12pt - 5pk 3/8-16 x 4.250 from ARP is a precision fastening solution designed for applications where joint integrity is critical. This five-pack of OEM-grade ARP bolts is ideal for building or maintaining tactical weapon systems and precision rifles. Law enforcement armorers, military technicians, and civilian gunsmiths trust ARP fasteners for their reliability and performance.

These bolts feature a 3/8-inch diameter and a robust 12-point head design that helps distribute clamping load across a wider surface, reducing stress concentration. With a thread specification of 3/8-16 UNC, these bolts provide fine thread engagement that is essential for precision assemblies. The length of 4.250 inches is suitable for various applications, including receiver assemblies and action screws.

ARP's proprietary manufacturing process ensures that these bolts exceed commercial-grade hardware in terms of tensile strength and corrosion resistance. This translates to consistent preload retention and performance that can be verified through rigorous testing. Whether for tactical firearms or precision rifles, this bolt kit is designed to meet the demands of serious users.