The Smartreloader SR300 shooting rest is a great rest with the base made out of cast iron and steel components. The main ram is made of chromed steel and it is adjustable in height and it can be fixed at the desired height. The front post is laser cut and made of chromed steel and it can virtually fit any front rest bag. Also the feet are made of chromed steel and can be adjusted, moreover, the feet, will work as adapters for the Professional 3-Feet set, which you can buy separately, for your SR300 rest.