Videos tagged with MCX Bolt Carrier Group

This guide details the process of changing the barrel on a Sig Sauer MCX, allowing for caliber conversions between 5.56mm and 300 Blackout, and outlines the disassembly and reassembly of the updated bolt carrier group following a mandatory recall. It emphasizes the use of a specific torque wrench for barrel installation and highlights the safety features of the new bolt carrier group, including a captive firing pin retaining pin and a firing pin safety. The process is presented as achievable by an intermediate gunsmith or mechanically inclined individual.