Technical Issue Old E-11 model in first person

[Eliwood]

My problem is very simple but it's bothering me: when I'm in first person, the E-11 I see is the old JK3 (grey) version, as opposed to the new MB2 (black) version. It's only in first person, though, and it's bothering the shit out of me. Does anyone know how I could fix it?

 

[P4KISTAN]

in graphics settings setting model detail ((or texture detail)..both??) to low will make it use base jka rifle. Check your settings to see if graphics are at max