Otis Technology 5.56mm Bore Brushes 100 Pack

Otis Technology 5.56mm Bore Brushes 100 Pack. This is due to the superior construction and engineered features incorporated into the brush such as a precision thread with no weak undercut. These brushes have a Tufcor proprietary core wire that is corrosive resistant has a tighter twist for better bristle retention and can be used with all firearm cleaning chemicals. Otis premium bore brushes also have twice the fill as other brushes the stem is cold welded to the core and the brushes are filled