A flintlock gun needs a piece of flint, a piece of steel, and a place for the sparks to touch the gunpowder. One should use the "flint and steel" approach to create a spark that lights the gunpowder.
As we know the flintlock today, the first was made in 1610 in France. There WERE earlier guns that used a flint sparking mechanism, such as the wheelock and the snaphaunce.
Yes, flintlock type
Mainly flintlock smoothbore muskets, with a few flintlock rifles. There were also flintlock pistols and "fowling pieces"- shotguns.
They had flintlock guns
Muzzleloading flintlock muskets.
As far as I know, not really much, unless they had interactions with Westerners by then which they will have access to flintlock rifles.
Flintlock muskets
Flintlock muskets
Matchlock and flintlock muskets and shotguns.
Guns The Evolution of Firearms - 2013 From the Flintlock to the Percussion Cap 1-2 was released on: USA: January 2013
Most patriots were armed with the Flintlock musket.
I have posted a great article in the related links that explains in detail how a flintlock works.