above said facts.
Bhagwat Gita: Chapter Four verse 6:
"ajo ’pi sann avyayatma
bhutanam isvaro ’pi san
prakritim svam adhisthaya
"Sri Krishna says to Arjuna: Although I am unborn and My transcendental body never deteriorates, and although I am the Lord of all living entities, I still appear in every millennium in My original transcendental form."
Bhagwat Gita: Chapter Four verse 7:
"yada yada hi dharmasya
glanir bhavati bharata
"Sri Krishna says to Arjuna: Whenever and wherever there is a decline in religious practice, O Arjuna, and a predominant rise of irreligion—at that time I descend Myself to take Avatar."
Bhagwat Gita: Chapter Four verse 8:
vinasaya cha duskritam
"Sri Krishna says to Arjuna: To deliver the pious and to annihilate the miscreants, as well as to reestablish the principles of religion, I Myself appear, millennium after millennium."
In below verse Lord Sri Krishna fully establishes that He Himself is Lord Rama also who is the wielder of weapons like bow & arrow:
Bhagwat Gita: Chapter Ten verse 31:
"pavanah pavatam asmi
ramah shastra-bhrtam aham
jhasanam makaras chasmi
"Sri Krishna says to Arjuna: Of purifiers I am the wind, of the wielders of weapons I am Rama, of fishes I am the shark, and of flowing rivers I am the Ganges."