[RogueIsland]

"You don't need a true sniper rifle for shots at 100 yards or so," he continued. "Any rifle with open sights will do. I can take those kinds of shots with most [semi-automatic] rifles on the market now."

I'm not sure why the "semiautomtic" parenthetical was added. You can take accurate 100 yard shots with a good Civil War era design black powder rifle.

[Alouette]

You can take accurate 100 yard shots with a good Civil War era design black powder rifle.

You're right. Weren't the Berdan Sharpshooters trained as snipers during the Civil War?