The 700 Jaguar Subsonic was made by Jaguar in all probability prior to 2009 for a GPR (German Precision Rifles) prototype rifle with interchangeable barrels in .50 Cal. (12.7×99), 10.2×94 Jaguar, and .700 Jaguar Subsonic. The design is based on the .50 Cal. Browning and uses a Chromed Nickel Steel case. Jaguar made three variations of the bullet namely solid brass, solid copper and copper hollow point.

Below is the case with different bullet variations: