hi! additional information is always welcome, but meanwhile check out these related discussions for previous responses on the transition from melee weapons to firearms ~

When did primitive weapons disappear from battlefields?

How and when did the usage of the sword come to a halt in the armies of Europe?

At what point did firearms supersede other forms of weapons?

Was the first mass use of firearms in a battle a surprise or was the technology well known?

Japan developed matchlock firearms around the 16th century, but reverted back to melee weapons like swords. Why?