Product Overview: This Pro-Series Hi/Custom model shooting rest was consumer driven by your request. We listened to what you had to say and developed this design to accommodate those requesting higher elevation in a shooting rest, while including the proven gun vise-grip design as used in the traditional lower Bulls Bag designs. This PRO-Series allows for the shooter to get more elevation of the rifle when needed on the shooting bench and when in field use, while shooting prone. The one-piece design allows for a maximum cradle height of nearly 8" and produces exceptional gripping support of the rifles forearm, with its weight and balance formula that represents 20% of the weight above the center-of-gravity and 80% below. When filled with media, nearly 30 lbs of mass that effectively absorbs harmonic vibration and reduces felt-recoil and muzzle-jump. The additional height finds this rest as a great pick when shooting big caliber guns and when used with AR style rifles, that include extended ammo magazine clips and pistol-grip stock designs. Truly a favorite among the serious shooter.