J-B~ Non-Embedding Bore Cleaning Compound 1 Carton J-B Bore Cleaning Compound

SKU: 2512361929_2

Brand: Brownells

Product Description

The original, time-proven formula developed by Jim Brobst and produced under exclusive license. J-B has been getting burned-on, caked-in powder residue and copper jacket fouling out of gun barrels since the 1960’s, and hasn’t damaged an inch of rifling...