For those who are curious, the company in question is Shuff's Parkerizing. They're known for restoring, tuning, and modifying U. surplus rifles, most particularly the Garand. They're best known for their "Mini-G" Tanker Garand mod.
Bennett & Haviland Many-Chambered Revolving Rifle- In the early decades of the 19th century, inventors sought a way to develop effective repeating firearms. Epenetus A. Bennet and Frederick P Haviland of Waterville, ME collaborated on this rifle featuring twelve individual movable chambers. Less than ten of these rifles were made. At the NRA National Firearms Museum in Fairfax, VA.