The Ruger American G2 Arca Rail System is specifically designed for the 2nd. Generation Ruger American rifles but will also fit on late model G1 stocks that have the removable magazine well. This high quality Arca rail is machined from aircraft grade aluminum and INSTALLS IN JUST MINUTES. 
 
Along with providing all of the benefits of a full swiss arca mounting platform, this system "GREATLY" improves stock rigidity and stiffness.  The rail measures 10-1/4 inches in length and is coated with a durable and attractive H-190 Cerakote finish, The kit includes all mounting hardware and comes with a sling swivel stud and rear travel stops.