Mosin Nagant M44 M38 M91/30 New Nylon Cleaning Bore Brush 3 pack Free Shipping This listing is for one 3pk of bore brushes for the Mosin Nagant rifle. These are designed to thread onto the standard issue Mosin Nagant cleaning rod, and be used to clean the bore of the rifle. The Nylon solvent resistant brushes will not scratch or damage the bore.