Hello.
I've asked Eiglepulper, but he didn't know. So I dare ask here: What does 3sf and 2sf on the ATT_Reminder_Sheet stand for? It is on page 2 in the "A Rough Battlefield Guide to Shooting Efficiencies" table.
Ref.:
_hosted/ATT_Reminder_Sheet_v1.1.pdf(I'm no http shark so bear with me)
Kind Regards
Peter Lageri
Denmark