Never lean over the muzzle. Make priming the pan or capping the nipple the last step of loading. Be aware of the location of other people around you. Know what is behind your target. Never fire into water or at flat, hard surfaces.
Round balls are prone to glance or ricochet.
Make sure the ball is firmly seated, the gun is not overcharged, there is no obstruction in the barrel, etc. 5. Keep the gun pointed in a safe direction down range, and wait at least one full minute before repriming. Always wear shooting glasses and ear plugs to prevent possible damage.