Quote: "Is it possible to hide and weapon ammo meter? "
Yes.
I see that you are new, so here are a few helpful hints.
1) Read the Manual.
There is a Manual included with FPSC and it is located in the "Docs" folder. (PDF file)
2) Always Search before you post your questions in the forum.
There is a "Thread Subject Search" box at the bottom of forum pages. (look below)
This is where you can find most of the answers you are looking for.
It also helps keep the forum cleaner by eliminating multiple threads asking the same questions.
3) Read the 'stickies' and 'announcements' posted at the top of each forum.
Not only do these contain the forum rules you need to be aware of, but they also contain links to the most helpful threads, tools, and information.
4) Take note of the "Edit Post" link under your Forum Avatar on your posts.
Use that link to Edit your posts (just like I did for this one) instead of making multiple posts back to back.
That keeps the threads much cleaner and easier to read, and it also keeps you from getting fussed at by other users.
5) Have Fun!
Welcome to the forums!