The Model 3 - the perfect size for sitting and shooting. The Model 3 was made with comfort in mind. It is ideal for shooting from the sitting position; target shooting, hunting, or wet conditions. The Model 3 has built-in Pan & Tilt that gives you the freedom to move with your target. The legs have rubber feet that extend from 15 1/2 inches to 23 3/4 inches. ? Non-marring rubber feet ? Standard Sitting size ? Pan & Tilt ? Rugged design ? Spring Loaded Legs Includes (1) Model 100 - One Universal Mounting Adapter (150-100) The Universal ? one adapter to rule them all. The Universal adapter will fit 95% of rifles and even a few handguns. For use with Uncle Mike?s(R)- type Q.D. sling stud.