Matrix kit or Gunslinger kit? Help!!!

Matirx or Gunslinger what is your opinion?

Gunslinger vs Matrix kit Pls help I'm at first sergeant with 27k cry which one should I get when I rank? Feel free to recommend other kits but I play with rail since day 1.

Is it hard to grind for m2's ? Will I be able to buy the kit in time without using real money?

I have 23500 cry on first sergeant I don't know will I make it in time can you guys help me make a plan to follow?

Gunslinger kit vs Matrix kit vs Predator kit Pls help I'm a rail gun player but I'm afraid rail gun will lose its powerfulness after WO5.

Is Viking m1 better than hornet m1 with rail gun and thunder m1?

Thunder m1 or rail gun m1 with m0 hornet?

When is the next sale?

There's the gunslinger kit but I don't know is it worth the money cause it's quite expensive.

Help Im a first sergeant with 22k now. I use hornet and rail gun and I average 5.0 K/D per match. I am planning for a kit but I don't know what to get. Pls help me!!!