Midwest Industries Carbine Extended Length MI Gen2 Two Piece Free-Float Handguard installs in minutes and the removal of the delta ring is required. Midwest Industries is a proven leader in the firearm industry. Made in America" focusing on the small details to make your rifle platform better. The addition of their two-piece free float handguard to your rifle platform gives you the free float performance you want in a handguard" while creating more space for you to mount accessories. There are four anti-rotation QD sockets for push button swivels and four high quality 1913 mil-spec rails. It is incredibly lightweight. This extended length carbine model will NOT work with gas piston systems.