1970's Omega Arms Inc. / H. Koon Catalog which measures 7" x 8-1/2" with 4 pages. CONTENT: The catalog has 4 pages and features the H. Koon designed guns with Monte Carlo,Classic and Thumbhole-Varminter stocks.The stocks are interchangeable from one design to another and also lengths to accommodate people of different size.The H. Koon octagon bolt square locking system,rotary magazine and counter-spring trigger are highlighted on one page and accessories on the back cover.Retail prices are listed.A little known but unique and impressive gun. Excellent As-New condition.