What made Revolutionary War riflemen in the 1st Pennsylvania Regiment of the Continental Line so special? They were good shots using the right gun, a Pennsylvania long rifle with curved grooves in the barrel and a soft lead ball, according to reenactors. "These were sharpshooters who usually fought in pairs and were accurate in hitting a target within 200 to 300 yards," said Gregory A. Kreitz, 62, of Lower Heidelberg Township, a reenactor with the 1st Pennsylvania Regiment. Using the Pennsylvania long rifle, a second sharpshooter was usually ready to fire when the first one finished, often from behind the...