Installing PSA Hex Rail | Palmetto State Armory
This guide details the installation of the Palmetto State Armory Hex Rail on an AR-15 platform. It covers the proper torque specifications for the barrel nut (50 ft-lbs), gas block screws (30 in-lbs), handguard screws (40 in-lbs), and set screws (10 in-lbs). The process emphasizes careful alignment and sequential tightening of fasteners to ensure a secure and reliable handguard installation.













