Stainless Mosin Nagant Rifle Bore Brush 7.62×54mm 3 Pack. This Mosin Nagant Cleaning Rod Bore Brush Is 3" long. Accepts Mosin cleaning rods found in the Nagant rifle. Note: If You need a Mosin Nagant Cleaning Rod we do have them. For heavy lead fouled or rusted bores or just quicker cleaning of your rifle.