Smith & Wesson Model 3000 - Wikipedia
The Smith & Wesson Model 3000 is a pump-action shotgun offered by Smith & Wesson during the 1970s and 1980s. The shotguns were manufactured in Japan by Howa Machinery.. History. The Model 3000 was available in 12 and 20 gauge, chambering 2 + 3 ⁄ 4 or 3 in (7.0 or 7.6 cm) shotshells. A "slug gun" variant chambered for 2 + 3 ⁄ 4-inch shells with a magazine extension and a shorter barrel was ...