JB Bore Bright (2oz) Quantity:2oz sleek profile and extremely tight

sleek profile and extremely tight specifications for the ultimate long-range accuracy and consistency

225" from inside to outermost edge

Or for the flush bench mounting situation a slightly different base plate which is called QC Flush Mount Base Plate

You can measure wall thickness both before and after the neck has been turned

JB Bore Bright (2oz) Quantity:2oz sleek profile and extremely tightA 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