It's found in the world, not crafted.

How do you use the gun cleaning kit? I have the Car15 at almost half condition, and I have found 2 cleaning kits, but I can't seem to figure out a way to use them...I am sure I am just a big stupid, But I'd like to be a big stupid with guns in better condition. ( ͡° ͜ʖ ͡°)

Repair context menu.

Right click on the item and the repair menu should be there.

Doing some investigation, I see it for other guns I have found, just not the CAR15 or CAR15 Delta. I can do it on the standard M16, tho. I guess it's just something with those guns? I really appreciate the reply.

Unfold your stock

Interesting. I didn't even consider that. Is that just a limitation in the game or coding of the mod? Either way, I appreciate the help. And the mod in general.

It's mostly because I didn't want so many combinations and permutations of repair recipes.

Still looking into a solution I like.