JB Bore Bright (2oz) Universal It also has a zero

It also has a zero set feature that allows you to zero the micrometer to your rifle or favorite seating depth

5 mm (small) cleaning rods and a second size for cleaning rods for calibres

Excellent lot-to-lot consistency

if your rounds DO enter the Gage

Bore Tech’s CENTERFIRE

JB Bore Bright (2oz) Universal It also has a zeroA micro fine bore cleaning and finishing compound that works as both a cleaner and a final polish to help keep barrels free of fouling and shooting their absolute best. Regular use gives your barrel a mirror like finish that helps prevent the build up of accuracy robbing copper fouling, plus greatly reduces cleaning effort. Clean your barrel as you normally would, then after cleaning with J B Compound, follow with J B Bore Bright to achieve a super