Mec Pro Check. Whether you're checking powder content or you need to confirm that the brass has left the chamber this Mec Pro Check is the way to go. Simply load a certain amount of powder turn on the machine and the device automatically counts down to see if the charge is too low or if the gun is loaded properly. As an added bonus this device also allows for the quick removal of reloading from the magazine. Scan for powder and then push the Pro Check in until you get the proper sequence established. Make the most out of your MEC reloading press with the help of this handy device. Specifications for Mec Pro Check: Manufacturer: MEC Additional Features: Black Fabric/Material: Steel Size: One Size Package Contents: Mec Pro Check The Mec Pro Check is a quality addition to the MEC lineup. For more great deals on Press Parts & Accessories by MEC please browse our Mec Reloading Equipment page. Mec Pro Check