Wilson Combat AR-15 5.56mm 30 Round Rifle Magazine Black TR-WMAG30B-30RD. The magazine floor plate is easily removed for deep cleaning of the tube spring and follower after high round count range sessions. This 30-round magazine also allows you to easily switch back and forth between these calibers without any loss of feed reliability. Specifications for Wilson Combat AR-15 5.56mm 30 Round Rifle Magazine: Manufacturer: Wilson Combat Fabric/Material: Polymer Magazine Capacity: 30 Round Caliber: 5.56x45mm NATO Gun Make: Wilson Combat Gun Model: AR-15 Quantity: 1 Features of Wilson Combat AR-15 5.56mm 30 Round Rifle Magazine Gigh-visibility Anti-tilt universal follower Package Contents: Wilson Combat AR-15 5.56mm 30 Round Rifle Magazine What firearm models does the manufacturer say Wilson Combat AR-15 5.56mm 30 Round Rifle Magazine is compatible with? The manufacturer says that Wilson Combat AR-15 5.56mm 30 Round Rifle Magazine is compatible with AR-15Wilson Combat TR-WMAG30B-30RD: AR-15 5.56mm 30 Round Rifle Magazine Black