This video demonstrates the final step in assembling an AR-15: installing the handguards. It highlights the use of a specialized tool, the Schuster handguard tool, to compress the delta ring, making the process significantly easier. The tutorial covers placing both the bottom and top halves of the handguard and securing them by releasing the tool's tension.
The Garand Gear M1 Gas Plug, a non-adjustable alternative to the Schuster plug, was tested for its effectiveness in reducing operating rod velocity with commercial .30-06 ammunition. While it offered a minor reduction with M2 Ball, it actually increased op-rod speed with high-velocity and heavy commercial loads, failing to meet safe military specifications. The plug also suffers from poor tool fitment, making the Schuster adjustable plug a superior option for the same price.
This video provides a detailed guide on assembling an AR-15, focusing on combining the upper and lower receivers and installing handguards. It highlights the use of specialized tools like the DPMS Accu-wedge and Schuster handguard tool for a tighter fit and easier assembly. The tutorial also covers essential function testing for safety and operational readiness, along with a practical tip for touching up minor finish scratches.
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