.45 a.c.p. caliber (altered from .455) 4″ barrel, top break ejector system activated with the side lever.  Checkered black composite grips.  Finished blue with British broad-arrow stampings.  Retaining much of the original blue with excellent grips.  Mechanically excellent.  Super bright bore and rifling.  Comes with a set of half-moon clips for the .45 a.c.p.