My apologies - talking at cross purposes and replying to two separate threads. No roller bearings/ball bearings in the M-15 family.Roller bearings? Must be a different AR-15/M4/M-16 family Tool is talking about as I never saw any roller bearings in the gats I handled during my career.
What position is this in the Arrse Guide?
Fixed.ARRSE users ought to know the Users Guide off by heart in case they might take advantage of any suitable female trapped in what might be considered as an unusual position.
This is, of course, always done while pretending to provide help, advice & fondling to check for injury or lumps in breasts.