I have a question why my gta can't bring up bullpupmk2 specialcarbinemk2 marksmanmk2 pumpshotgunmk2 and doublerevelover and other mk2 weapons? btw i am using gta v v1.43 do i have to update or what please answer

I have question I really like police mods and I want to install police mods from lcpdfr.com and there is a mod for gta 5 1.53 (new) version while I am using version 1.41 can I use this mod? or must be a different ragehook need request