?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.