4x motion sensor magnetic lights ,15 leds in each one , comes with three rechargable AA batteries in each one and an ansmann digispeed 4 battery charger
£35 inc postage
Wouldnt explain the pics of the patches as they look as if the barrel is pitted in some way compared to the patches when i clean my hmr which come out uniformally dirty , but have you checked the barrel to see if it is free floating