Brownells Acraglas J&B Bore Cleaning Compound

?Cuts Through Toughest Bullet Jacket & Powder Fouling ?Can't-Run Paste Formulation ?Cushioned Abrasive Action Leaves Bores Sparkling ?Won't ?Eat? Stock Finish ?It's non-embedding which simply means it won't get ?stuck? in the metal's pores so there's no worry about the residue cotinuing to ?cut? after you've finished cleaning.