Next weapon update

With the launch of the Resurgence update and new weapons, I wanted to get some thoughts on my picks for a potential new guns. Most would be role/faction specific but still, I wanted to gauge if my choices would add to the gunplay and which would you choose given the list?

1- HK Psg1 (Marksman) 2- FN Scar 20s (Marksman) 3- HK MR762a1 (Advisor) 4- Colt 901 (Advisor) 5- HK Ump45 (Advisor/All roles) 6- HK Ump9 (Breacher) 7- Kalashnikov Saiga-12 (Breacher) 8- Franchi Spas-12 (Breacher) 9- Benelli M4 (Breacher) 10- Benelli M1 (Breacher) 11- Glock 20 in 10mm (Sidearm) 12- HK Usp 45 (Sidearm) 13- HK Usp 40 (Sidearm) 14- Re-work of the M4a1