Personally, I prefer these weapons into another game.
Gravity Cat, your works are really good, it just doesn't fit the blocko simplicity. Blockland has a simple art style. You seem to put too much detail and over-realism. It's good, but it doesn't fit the game.
I know what I'm saying won't penetrate your skull, but heck, you make too much generic weapons. A simple gun has like a million variants, which do almost the same damage. These weapons will be overrated and to the point that it will hog up the server loading in a a lot of servers, and I foresee it will be frustrating to players.
If I ever come to a server containing these, I would rather play in a different server just to load fast and feel that "blocko feeling". You seem not to get the point of "blockiness", instead you forcefully added "blocko hands" just to "make it fit". It doesn't fit.