Duramag SS AR-15 Rifle Magazine 5.56/.300BLK 20 Round Black w/Orange Follower 1 Pack Stainless Steel 20RD. It is constructed from premium 410 Stainless Steel for maximum durability. This material coupled with advanced interior and exterior geometries ensure ultimate reliability and feeding. This magazine utilizes DURAMAG T-360 coating to ensure not only incredibly smooth performance and ease of loading but also product longevity through the harshest conditions. Specifications for Duramag SS AR-15 5.56/.300BLK 20 Round Rifle Magazine: Manufacturer: Duramag Color: Black/Orange Fabric/Material: Stainless Steel Magazine Capacity: 20 Round Caliber: 5.56x45mm NATO .300 AAC Blackout Gun Make: AR Platform Gun Model: AR-15 Quantity: 1 Condition: New Package Contents: Duramag SS AR-15 5.56/.300BLK 20 Round Rifle Magazine What firearm models does the manufacturer say Duramag SS AR-15 5.56/.300BLK 20 Round Rifle Magazine is compatible with? The manufacturer suggests that Duramag SS AR-15 5.56/.300BLK 20 Round Rifle Magazine is compatible with AR-15Duramag 2023041178CPD-20RD: SS AR-15 Rifle Magazine 5.56/.300BLK 20 Round Black w/Orange Follower 1 Pack Stainless Steel