Hello folks, its been a while. I purchased my pup May. 2006 from Tom Irish Guard, and remember requesting the black CF grips, as Tom had mentioned they were switching to the G10. He informed me that I may have received the last CF grips in house. My serial # is R142X. Perhaps this puts some perspective on time frame of production and ser #s.
Below is my post from June, 2006
 Believe I got the last carbon fiber grips manufactured. It was right at the transition to the the G10. 
 
Pup is still running like a charm! 
 
Again Thanks Tom!!!!  
Regards, Fred