Not all laser pointers that state "less than 5mW", are actually below 5mW. This is more common in pointers from outside the US (some found on the internet). The Radiation Safety Office can measure ...

Easy to use in the 12 Gauge chamber. 【Bright Red Laser】 Class IIIA laser, less than 5mW. Sighting range of 15-100 yards.

In short, you can use the KRM to get mid-range kills too. MIP Laser 5mW laser increases hip fire accuracy and the sprint to fire speed. So when you combine it with perks like Dead Silence ...