NcSTAR TAR User Manual
Page 9
BOLT CARRIER GAS KEY CLEANING BRUSH
Your bore brush can also be used as a bolt carrier gas key cleaning brush.
Open the tool handle, and extend the bore brush until it locks into place.
Close the tool handle completely. Carefully insert the solvent soaked brush
into the gas key as far as it will go, and turn clockwise to loosen fouling
build-up. Remove fouling using pipe cleaners. Repeat as necessary until
pipe cleaners come out clean.
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