307 Adventure SD .300 Winchester Magnum 24" Bolt-Action Rifle The 307 Adventure SD is a bolt-action rifle chambered in .300 Winchester Magnum with a 24-inch barrel. Its manually operated bolt defines the action format, while the chambering identifies the cartridge configuration for buyers selecting a centerfire rifle. The 24-inch barrel provides a useful physical specification alongside the Adventure SD model name. Keeping barrel length and chambering distinct helps buyers compare the rifle's configuration: one describes a dimension, and the other identifies the ammunition type. Key Features Adventure SD model: The specific Model 307 configuration. .300 Winchester Magnum: The rifle's chambering. 24-inch barrel: The specified barrel configuration. Bolt action: A manually operated rifle format. Specifications Model: 307 Adventure SD Action: Bolt action Chambering: .300 Winchester Magnum Barrel Length: 24 inches Shop the 307 Adventure SD .300 Winchester Magnum 24" Bolt-Action Rifle at BattleHawk Armory.