Originally Posted by desi2358

"Sticky Bolt" is a common complaint with mosins. They were cosmolined and in storage for years, getting the chamber properly clean often helps. Certain lots of surplus seem to stick more than others as well. I own several mosins and have only had the problem with a few of them. I used fine steel wool and solvent to clean the chambers. Dissassemble and clean the bolt as well and apply a little tetra grease on the bolt cam surfaces. The mosin is a sound and durable rifle that was in service for many years. Most often all they need is a thorough cleaning.