[header] How to maintain an m249 saw [title] Clear the firearm. [step] On fire mode, with your palm up, pull the cocking handle to the back and lock the bolt into place [title] Place your weapon back to safe mode. [title] Hold the charging handle, and then open the tray cover. 
[title] Remove the ammunition belt from the feed tray. [title] Check the feed pawl assembly under the cover, and the feed tray assembly.