According the original post in 2017…see it here:
http://www.ctguntalk.com/smf/index.php?topic=49683.0&fbclid=IwAR0J4eEY6Xs3YDArdyVkc-9n_Ogqhd4GRf4LaLmUU9JnN54UIsIHgz-aaQ4

The R6700CH was range selected by Colt at the factory for accuracy and was only produced for one year (1992). It replaced the Colt Delta HBAR as Colt’s most accurate factory rifle.

The owner had called Colt and Ser # CH0054xx was manufactured on 9-29-1992.

The two magazines are pre-ban Colt factory 5 round magazine. In 1996, the owner sent the rifle to Milazzo-Kreiger to have their two-stage trigger installed.

The owner sold this rifle set in December 2017 for eighteen hundred dollars. Price is provided for reference only.