YOU SAID:

I am heavy weapons guy, and this. is my weapon

INTO JAPANESE

私は重い武器の男です、そしてこれ。私の武器です

BACK INTO ENGLISH

I am a man of heavy weapons, and this. It is my weapon.

INTO JAPANESE

私は重い武器の男です。それは私の武器です。

BACK INTO ENGLISH

I am a heavy weapon. That is my weapon.

INTO JAPANESE

私は重い武器です。それが私の武器です。

BACK INTO ENGLISH

I am a heavy weapon. That is my weapon.