H&R Ultra Slug Hunter in 20 gauge, it's a single-shot, break-open deer/slug gun with a fully rifled heavy barrel. The standard 20-gauge version was offered with a 24-inch barrel, 3-inch chamber, and weighs roughly 8-9 lb depending on configuration. A compact/youth version used a 22-inch barrel and weighed about 7 lb. B Blue Book of Gun Values +1 A few useful points: Gauge: 20 Action: Single-shot, break-open Barrel: Fully rifled, heavy profile Chamber: 3" Primary purpose: Deer hunting with slugs Scope mounting: Factory models commonly had a scope base/rail.