Installation Instructions

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7. Place the drive rod onto the gas block and slide it onto the barrel
8. Position the gas block so it sits between .026 - .035 off the shoulder of
the barrel. Using two business cards to space the gap. This will give you
a good starting point for setting the correct gap.
9. With the upper assembly laying on the table, and gas block positioned,
put slight downward pressure on the barrel while holding the gas block