The ASC 15-round magazine for AR rifles chambered in 6.8 SPC features premium stainless steel construction with FDE (Flat Dark Earth) finish for enhanced durability and corrosion resistance.ASC AR-15 Magazine - 15 Round Capacity6.8 SPC caliber compatibilityStainless steel construction with FDE finishHeat treated for strength and durabilityChrome silicon spring for reliable feedingMade in the USABuilt by Ammunition Storage Components (ASC) a trusted supplier to major firearms manufacturers this magazine delivers reliable performance and increased longevity for your AR rifle platform.