 They tended to fire smaller caliber rounds, with calibers in the range of .32 to .45 being common - hence being sometimes referred to as a "pea rifle".The jezail was a military long flintlock rifle, developed and popular throughout Afghanistan, India, Central Asia and parts of the Middle East.However, while European military tactics remained based on loosely-aimed mass volleys, most of their flintlocks were still smoothbore - as the spiral grooves of rifling made rifles take more time to load, and after repeated shots black powder tended to foul the barrels.