Designed for steady, repeatable performance in varied environments, the LBE Unlimited ARBLTKT AR Bolt Kit emphasizes functional reliability and straightforward operation. Developed with attention to component fit and workflow efficiency, the LBE Unlimited ARBLTKT AR Bolt Kit supports smooth handling and consistent mechanical behavior. Ideal for AR-15 builds, field repairs, and routine bolt carrier group maintenance, this kit includes a bolt made from 158 Carpenter Steel, a firing pin, cam pin, and firing pin retaining pin. LBE Unlimited is renowned for its high-quality, U.S.-made firearms parts trusted by professionals across the industry.