The "Nocs" Sighting System is a visual enhancement attachment utilized by mobile frames to increase weapon accuracy.
Description[]
| “ | The RD-214 “Nocs” sighting system attaches easily to the head of most frames, enhancing the accuracy of the frame’s weapon systems for the range at which the sensors are calibrated. | ” |
–Mobile Frame Zero: Rapid Attack rulebook, pg. 85 | ||
System Loadout[]
Used to represent a d8 at the range of one other weapon; i.e. could add a 
for a frame equipped with an auto rifle or a 
for a frame with a sniper rifle.
Alternatively it could easily be used to represent a 
system.
Sources
Main Source: Mobile Frame Zero: Rapid Attack Rulebook