The Weatherby Model 307 Builder Action is a long-action, standard bolt-action foundation designed to accommodate a broad range of compatible stocks, triggers, rails, mounts, and bottom metals. Its two-lug bolt uses a 90-degree throw and tool-less takedown for simplified disassembly and maintenance.

Key Specifications

• The action uses a two-lug bolt with a 90-degree throw.
• The bolt features tool-less takedown for disassembly and maintenance.
• The bolt and bolt knob have a Graphite Black Cerakote finish.
• The listed action configuration is long standard.
• The long-action bolt face diameter is listed as 0.470.
• The bolt knob uses 5/16-24 threads.
• The tenon uses 1-1/16-16 threads and is listed as 0.880 long.
• The long-action magazine box length is listed as 3.95.
• The listed long-action overall length is 8.7.

With its adaptable footprint, serviceable bolt design, and durable Cerakote finish, the Model 307 Builder Action offers a capable starting point for a customized long-action rifle configuration.