Spartan Precision Equipment Mr G Clamp Black. The Mr G clamp can be used in High seats Tree Stands Hides as well as on cars or buggies. You wont leave without your Mr G Clamp. A go-anywhere support tool for your rifle and optics that will clamp to just about anything. Specifications for Spartan Precision Equipment Mr G-Clamp: Manufacturer: Spartan Precision Equipment Color: Black Weight: 9.6 oz Features of Spartan Precision Equipment Mr G-Clamp Four 1/4-20" UNC male mounting points for attaching Davros Heads and other accessories (Bush included for mounting accessories with 3/8-16" UNC female threads) Clamps to a wide variety of surfaces with a maximum grip of 60mm Package Contents: Spartan Precision Equipment Mr G-Clamp Spartan Precision Equipment SP04-012-R: Mr G Clamp Black