Crickett Single-Shot 20 Gauge Shotgun 3" Chamber 18.5" Barrel Walnut Black The Crickett single-shot shotgun is a 20 gauge break-action configuration with a 3-inch chamber and an 18.5-inch barrel. Walnut and black identify the stated furniture and finish combination. The single-shot format specifies a one-shot action configuration. Chamber length and barrel length are different measurements: 3 inches identifies the chamber specification, while 18.5 inches identifies the barrel. The walnut/black combination describes the exterior configuration independently of those dimensions and the 20 gauge identity. Key Features Single-shot format: Defined action configuration. 20 gauge: Specified shotgun gauge. 3-inch chamber: Separate from the barrel-length measurement. 18.5-inch barrel: Specified barrel length. Walnut/black appearance: Named furniture and finish combination. Specifications Manufacturer: Crickett Product type: Single-shot break-action shotgun Gauge: 20 Chamber length: 3 inches Barrel length: 18.5 inches Configuration: Walnut / black Shop the Crickett Single-Shot 20 Gauge Shotgun 3" Chamber 18.5" Barrel Walnut Black at BattleHawk Armory.