Description
Adams Arms Piston Bolt Spring Spare for AR15 Piston System AR-15 Replacement
Replacement Bolt spring for use with Adams Arms piston kits, uppers, and rifles. Corrosion and Heat Resistant Type 302 Stainless Steel, Squared and Ground Ends Premium Spring. SP-BLT Piston bolt spring for .223/5.56/300BLK piston systems. U.S.A. made.
