The upright post and legs weigh only 22 lbs. The built-in quick release mechanism allows target plates to be removed in seconds without tools. The upright post is made from 3/8"" AR500 steel and will withstand thousands of direct hits from high power rifles. The Armor Post Targets are built for law enforcement, military, commercial and public ranges who require a maintenance free solution for high volume pistol and rifle use. The dual spring design maximizes audible feedback and keeps the surface of the target plate parallel with the shooting line which makes bullet fragmentation safer and more consistent. The springs also absorb energy which preserves the Mfg: Challenge Targets