1400s - The matchlock gun appears ... give each barrel separate ignition. 1540 - Rifling appears in firearms. 1607 - Settlers arrive in Jamestown, Virginia. 1630 - The first true flintlock.

The flintlock ... the barrel of the musket. On that would go a wad to carry the projectile, which would be a lead bullet. A ramrod was used to ram home the charge, with the muzzle of the gun ...