Magpul Industries Follower 223 Rem Fits AR Rifles Magazines 3 Pack Yellow. These Rifle Parts from the experts at Magpul Industries feature a patent pending 4-way anti-tilt design for increased feeding reliability. The Magpul AR Rifles Self-Leveling Magazine Follower 223 Rem is made from a non-hygroscopic and self-lubricating polymer. Specifications for Magpul AR Rifles Magazine Follower 223 Rem: Manufacturer: Magpul Industries Condition: New Features of Magpul AR Rifles Magazine Follower 223 Rem: Constructed from self-lubricating polymer 4-way anti-tilt design for increased feeding reliablity Package Contents: Magpul Industries AR Rifles Magazine Follower 223 Rem Magpul Industries MAG110YEL: Follower 223 Rem Fits AR Rifles Magazines 3 Pack Yellow