Ramped, beaded blade front sight, two leaf (one standing, one folding) rear express sight, and front sling swivel on the blued barrel which is marked ".450 Rigby/P. O. ACKLEY". The action is unmarked aside from the serial number "395" and "M.4000/No. 395" on the underside beneath the stock. Beautifully figured, multi-point checkered pistol grip stock with ebony forend tip, cheekpiece, rear sling swivel, and leather wrapped recoil pad.