Weatherby's first new action in over 50 years. The Model 307 was purpose built to accommodate the vast offerings of stocks triggers rails mounts and bottom metals that exist in the marketplace. The 2-Lug bolt features a convenient tool-less takedown for easy disassembly and maintenance. Shooters can expect the same precision craftsmanship that Weatherby has delivered since 1945. - FINISH Bolt / Bolt Knob- Graphite Black Cerakote - TECH SPECS - Overall Length Short Action 7.9 - Weight Short Action 1.65 lbs - Bolt Face Sizes Short Action Standard .473 - Bolt Throw 90 degree throw - Bolt Knob Threads 5/16-24 - Headspace .899 +/- .000 (Bolt Face to Recoil Lug) - Breech Dimensions (Counterbore) .740 depth (measured from Tenon Shoulder) .715 inner diameter - Tenon Threads 1-1/16-16 .880 long (Standard 700