Uncle Bud"s Bulls Bag holds your firearm like a vise. Its unique patented design increases stability while reducing felt recoil and muzzle jump. Specifications: - Bench Model - 15 1/2" - Does not come with filling medium - Woodland Camo Features: - 4 chamber butterfly design is self tightening - Holds your firearm like a vise - Increases stability - Reduces the amount of recoil felt by the shooter - Rubberized Top - You adjust to the feel you want - One bag eliminates the need for a 2 bag system - Does not affect your point of impact - Most compact, user-friendly and effective shooting aid in the industry