Quick ARCA RailThe Quick ARCA Rail is a solid solution for adding an ARCA attachment point to your rifle if it only has a single swivel stud on the bottom of the forend. Instead of drilling into the stock to add threads for an additional anchor point, you can simply attach the Quick ARCA to almost any traditional rifle stock. The Quick ARCA will also work with most dual swivel stud forends, but we recommend the ARCA Picatinny Combo Rail if you have dual swivel stud