buying a Kraken and modifying it for a full metal working not so shitty AK isn't helping Kraken at all.
It's like saying I bought a Dell, ditched everything except the DVD burner and rebuilt a good computer using after-market parts claiming Dell is a good brand.
Kraken is shit and you'll need to get a new one or replace all the parts eventually.
I've had a fully working TM SR-16 for a long time and it never failed me except when I personally did stupid stuff on it (don't ask).
Out of all of my GBBs the best one is clearly my TM P226 and my TM M1911A1 and they are both stock.
I've just acquired a TM AK-47 full metal for 550$ It has some upgraded internals as well. I just spent less than your scratch built AK, it's a TM, it's full metal and it's not based off of a Kraken.
When I joined ASC, I didn't have the proper funds to buy myself a good AEG so I waited until I could afford one. Nowadays it seems like all newcomers go for shitsoft right away instead of waiting a few months for the good stuff.
It's like buying the cheapest, oldest with most mileage rusty BMW and slapping an ///M5 sticker on it. Out of topic but this reminds me of this funny website,
BMW Nightmare; laugh out at all the rice boys on there :P