Real Avid Vise Block Sleeve Ar10 3.2-12.8X this system provides rapid adjustments

this system provides rapid adjustments to either lengthen or shorten the sling with no slipping once set

Dimensions are 42" x 12

"17" x 12" x 5″"

or AR and SKS mounts and rings

Real Avid Vise Block Sleeve Ar10 3.2-12.8X this system provides rapid adjustmentsThe Smart Fit Vise Block Sleeve for AR10 is an innovative product that allows you to work on large frame ARs with precise fit and zero wobble. It is designed to slide over the existing Real Avid Smart Fit AR15 Vise Block and eliminates any wiggle or movement while working on the firearm. The sleeve can be used with an inverted lower receiver to work on pistol grips or allow easy access to the underside of your AR. It is a must have tool for securing