An armrest with cup holder of the type where the cup holder is integral with a foam padding in a trim cover assembly through a foaming process, wherein the cup holder is inserted in a hole formed in the trim cover assembly. The circuit control unit includes a plurality of separated sub-portions. A handoff request from a wireless terminal to the second sector and an associated handoff response from the second sector to the wireless terminal may both traverse the first sector. When the shooter desires to remove and replace the indicator ring, such as in response to a change in shooting conditions, the latch may be released to an unlatched position to allow the indicator ring to be moved off of the knob. The addition of these two compounds together also more effectively prevents either of the reagents from degrading than when either reagent is added alone.