The Magpul Bipod A.R.M.S. 17S-style mount attaches to a 1913 Picatinny rail via a rugged quick-lever interface for rock-solid retention and fast removal. It brings Magpul's tool-less lean, pan, and independent leg adjustment to any Picatinny-equipped rifle, delivering precision-grade stability with hard-use durability. Flat Dark Earth.