The ASC AR-15 6.5 Grendel Magazine delivers reliable performance with 10-round capacity and durable stainless steel construction in a sleek black finish.ASC 6.5 Grendel AR-15 Magazine - 10 Round CapacityStainless steel construction with black finishHeat treated for maximum strength and durabilityChrome silicon spring for reliable feedingDesigned specifically for AR-15 platform riflesMade in USA with premium quality componentsBuilt by Ammunition Storage Components a trusted supplier to leading firearms manufacturers this magazine ensures reliable functioning and increased longevity for your AR-15 rifle chambered in 6.5 Grendel.