The Talley 73X719 is a precision-crafted 30mm low-height lightweight alloy ring and base combo designed for Nesika Bay, Savage Round Receiver, Stiller Tac 30, Stiller Tac 300, Stiller Predator (current production), and Weatherby 307 actions utilizing an 8-40 screw pattern, featuring an extended front design for optimized eye relief and optics positioning. Machined from high-quality lightweight alloy, this one-piece combo delivers exceptional strength and reduced weight, with low height positioning your optic close to the bore for a natural cheek weld and optimal sight alignment. The integrated design eliminates the need for separate bases and rings, simplifying installation and ensuring rock-solid zero retention shot after shot. Built to Talley's renowned standards, the 73X719 is the ideal 30mm extended front mounting solution for Nesika, Savage, Stiller, and Weatherby 307 owners.