http://www.impactguns.com/otis-lifeline ... 90336.aspx
OTIS Lifeliner Nano Ceramic Bore Liner Treatment
advertizement info blurb says increases bore wear resistance by 800%
supposed to triple rifle bore life span/
OTIS Lifeliner Nano Ceramic Bore Liner Treatment
advertizement info blurb says increases bore wear resistance by 800%
supposed to triple rifle bore life span/