The Hussite Wars were notable for the extensive use of early hand-held firearms such as hand cannons.
From 1510 Dutch craftsmen were also producing hand culverins, an early firearm.
This practice was continued by the Ottoman subject nations, despite the Empire itself being a proponent of early firearms.
Sabots have been around since the earliest firearms, but it's not like everyone's using them.
Flintlock Flintlock, a firing mechanism used on early firearms.
The shortcomings of early firearms forced the Spanish Army to adopt the combined arms tercio.
Therefore even early firearms such as the arquebus were much more powerful than human-powered weapons.
Potassium chlorate was one key ingredient in early firearms percussion caps (primers).
The earliest firearms were cannons, which were simple closed tubes.
In any case the term gonne or gunne was applied to early hand-held firearms by the late 14C.