they were saying the .50's were running 15k/ gun and MG's were 2k/ gun. They did assemble in house so thats probably why it was 2k not 3k+.. sounds like a project to me. I'm pretty sure they have semi m240b's out there too, wouldnt mind knowing what they are running.
Semi 240b, 13K, http://www.ohioordnanceworks.com/Firearms/OOWExclusiveFirearms/M240_SLR.rif