Ammunition Storage Components AR-15/M4/M16 6mm ARC 25 Round Rifle Magazine Flat Dark Earth. Our magazines are manufactured 100percent start to finish in the USA using ".020" gauge 410 Stainless-Steel Alloy that is heat treated for superior strength and lasting endurance. Their Stainless-Steel construction means they won't swell in heat or crack in the cold making a more reliable alternative to polymer magazines. This is done all while maintaining that undeniably good look. Specifications for Ammunition Storage Components AR-15/M4/M16 6mm ARC 25 Round Rifle Magazine: Manufacturer: Ammunition Storage Components Magazine Body Material: 410 Stainless Steel Fabric/Material: Polymer 410 Stainless Steel Magazine Capacity: 25 Round Caliber: 6mm ARC Gun Make: AR Platform Gun Model: M16 M4 AR-15 Gun Type: Rifle Condition: New Features of Ammunition Storage Components AR-15/M4/M16 6mm ARC 25 Round Rifle Magazine 410 Series Stainless Steel Body Heat Treated Chrome Silicon Springs Enhanced Anti-tilt Polymer Followers with PTFE 300 Series SS Floor plate with Black Oxide Coating for Corrosion Resistance Package Contents: Ammunition Storage Components AR-15/M4/M16 6mm ARC 25 Round Rifle Magazine Ammunition Storage Components 25-6MM-SS-FDE-RED-ASC: AR-15/M4/M16 6mm ARC 25 Round Rifle Magazine Flat Dark Earth