Only around 350 to 400 of these rifles were manufactured in the 1850s by Parry W. Porter of Memphis, Tennessee, and New York City. The Second Model is identified by the serial number range of approximately 300-679 as well as the circular magazine cover. It has blade and notch sights offset to the left, "ADDRESS/P.W. PORTER/NEW-YORK" and "P.W. PORTER'S/PATENT/1851" on the upper left barrel flat, a serpentine loading lever, turnscrew secured turret cover, smooth buttstock with standard rifle buttplate, and the matching serial number on the various main components.

Good. The metal has dark brown and mottled gray patina, minor oxidation, and mild overall wear. The screw for the magazine cover is absent. The stock has a period spliced repair at the top of the wrist, mild edge wear, and numerous small dings and scratches. Mechanically fine.