Damage mod:

https://bf4db.com/player/883767122/snapshot/16974 

http://battlelog.battlefield.com/bf4/battlereport/show/1/1043589042459913216/883767122/ 

http://battlelog.battlefield.com/bf4/battlereport/show/1/1039059596173614400/883767122/ 

Like I said on the forum in the first reply:

"I understand what you're saying, even though it's not completely fair. When I play on this server I run around with the CS5 *since it's a sniper server* and shooting anyone I see. some of them are one shot kills and some of them do an 80 damage or so, and instead of waiting I switch to the pistol and finish with it, and usually it takes one or 2 bullets only, so the server counts it this way and it's unfair. it's just my style, it's not hack. I did this with the p226 and I do it with the qsz too and I don't see anything wrong with it since I'm not breaking any rules."

and the second one:

"after doing some research on fairplay stats and bf4db and myrcon forum it's apparent that the DMG/DPS is calculated the same way as kph *which is not entirely accurate*, which is in my case 116 kills for 261 hits and by using simple math it's 44.44%, same as DMG on bf4db. and since I'm shooting with the CS5 first, it doesn't take a lot of bullets to kill so it means less bullets fired+more kills=high kph stats for a pistol that I unlocked and mainly used on the sniper server.

it's not a damage mod or sth like what someone might think, it's just inaccurate calculation for the damage on bf4db since it's using the wrong formula for the damage
idk if I just repeated myself or not but I thought this was worth saying after what I noticed today while looking things up "

and I was also banned from other 2 or 3 servers bcuz of this calculation, and we know that it's not accurate here

best wishes to everyone :)

^^ the above can indeed explain the stats. A killshot will count as 1 kph, so can increase the pistol damage and KPM significantly.