Pistols affected/not affected by the ammunition upgrades on Hazard Zone.

Product: Battlefield 2042
Platform:Sony Playstation 4
Please specify your platform model. Sony PlayStation 4
Are you using any software with an overlay? No
Which part of the game is the issue happening in? Multiplayer
Which part of the mode? HazardZoneSmall
Please select your region Europe
On which server did this happen?
When did this happen? (dd.mm.yy hh:mm)
Summarize your bug Some pistols are affected by the ammunition upgrades and others aren't.
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? Step1: Have the ammunition upgrades selected for Hazard Zone. Step 2: Use the NVK-P125, G18, MP28, M44 or M93R to have their magazine amount increased or use the MP-412, M1911 or PF51 to have their magazine amount stay the same.
What happens when the bug occurs? The NVK-P125, G18, MP28, M44 an M93R are affected by the ammunition upgrades even though the upgrades only apply to primary weapons while the MP-412, M1911 and PF51 aren't affected by the ammunition upgrades.
What should be happening instead? I don't know. Either all the sidearms aren't meant to be affected or all of them are meant to be.