Brand: Satin
I'm sorry, but without additional context, it's impossible for me to determine what "Satin M-14 X" might refer to. Could you please provide more information or context so I can better understand how I can be of assistance to you? Do you mean a brand name or product model for a specific item? Is it related to a military designation or some other specialized context? Please provide any further details that might help me understand the meaning of "Satin M-14 X."