Birchwood Casey BSR: The Bravo Shooting Rest by Birchwood features a rigid steel frame, non-slip rubber stock rest, adjustable leveling feet, and low profile design for prone shooting. It has a 3.50\" adjustment for various rifle sizes, front sight with 3.50\" elevation adjustment, and bullseye bubble level. The rest is compatible with rifles that has barrels as short as 7.50\" and high capacity mags for AK\'s and AR\'s.