Hexmag Series 2 AR-15 5.56x45 30 Round Rifle Magazine FDE 30 HX30-AR15S2-FDE. Patenteddesignfor better grip redesigned feed lip geometry to maximize strength and versatility stripper clip guides for faster reloading deep catch pocket for rock-solid stability and a heat-treated stainless steel spring for extended storage periods. Specifications for Hexmag Series 2 AR-15 5.56x45 30 Round Rifle Magazine: Manufacturer: Hexmag Magazine Body Material: Polymer Fabric/Material: Polymer Magazine Capacity: 30 Round Caliber: 5.56x45mm NATO Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Features of Hexmag Series 2 AR-15 5.56x45 30 Rounds Rifle Magazine Strong and resilient Polymer Body Stainless Steel Spring Hexture Texture for superior grip HexID identification system Package Contents: Hexmag Series 2 AR-15 5.56x45 30 Round Rifle Magazine What firearm models does the manufacturer say Hexmag Series 2 AR-15 5.56x45 30 Round Rifle Magazine is compatible with? The manufacturer suggests that Hexmag Series 2 AR-15 5.56x45 30 Round Rifle Magazine is compatible with M4 M16 AR-15Hexmag HX30-AR15S2-FDE: Series 2 AR-15 5.56x45 30 Round Rifle Magazine FDE 30