The Model 307 is Weatherby's new proprietary bolt action, developed in-house for the first time since the company moved manufacturing back to the United States. The 307 designation references the 3-lug, 0.7-degree bolt lift. The new action is smoother and lighter than the Mark V with a 54-degree bolt lift reduced to under 70 degrees. In .243 Win it provides an accessible entry into the new platform. Type: Rifle Action: Bolt-Action Caliber: .243 Win Capacity: 5 Year introduced: 2023, USA Weight: 6.5 oz Overall length: 42.5" Status: Active Intended use: Hunting, Target Shooting