The DBST BOLT REBUILD KIT from DoubleStar delivers a complete extractor rebuild solution for rifle bolts, featuring an all-in-one kit that includes an extractor, extractor spring, pad and pin, three gas rings, and an O-ring in a durable black finish. This kit is designed to restore reliable extraction and smooth cycling, making it a practical choice for maintaining bolt performance and ensuring consistent chambering across a variety of operating conditions. With a compact, easy-to-install configuration, shooters can replace worn components to reduce extraction failures, improve bolt lockup, and extend the life of their bolt carrier groups. The robust construction and precise tolerances of the included parts help maintain proper extractor tension and gas-sealing performance, contributing to dependable cycling and reduced maintenance downtime during field trips or long-range sessions. Ideal for rifle enthusiasts who value factory-quality parts, this kit supports routine rebuilds and upgrades for enhanced reliability, whether youre engaging in precision shooting, competitive disciplines, or rugged field use. Engineered by DoubleStar to meet rigorous standards, it pairs seamlessly with compatible bolts and carriers, delivering a practical, all-in-one solution for sustaining peak bolt performance and rifle reliability.