This video provides a detailed, step-by-step guide for installing the Sons of Liberty Gunworks M89 Mark 10 Heavy Handguard on a large-frame AR-308 platform. It covers barrel nut installation, torque specifications, and the unique mounting system for the handguard, emphasizing proper alignment and avoiding overtightening. The installation is demonstrated on an Aero Precision upper receiver compatible with the DPMS High pattern.
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