KCI AR-15 Magazine Aluminum 5.56 / .223 Rem 30-Rounds

KCI USA AR-15 Aluminum Rifle Magazine .223/5.56x45mm 30/rd Black B187314B KU. 223 Remington or 5.56 45. They are made from 6061-grade aluminum. They are heat-treated and anodized per MIL-A-8625 Type III Class I for durability. Weight: 0.3lbs Compatibility: AR-15 / M16 / M4 Caliber: .223 / 5.56x45mm Capacity: 30 Rounds Body Material: Aluminum Spring Material: Stainless Steel Finish: Anodized Specifications for KCI USA AR-15 Aluminum Rifle Magazine .223/5.56x45mm 30/rd Black B187314B: Manufacturer: KCI USA Color: Black Magazine Capacity: 30 Round Cartridge: 5.56x45mm NATO .223 Remington Gun Model: AR-15 Gun Type: Rifle Quantity: 1 Included Accessories: Standard Features of KCI USA AR-15 Aluminum Rifle Magazine .223/5.56x45mm 30/rd Black: Weight: 0.3lbs Compatibility: AR-15 / M16 / M4 Caliber: .223 / 5.56x45mm Capacity: 30 Rounds Body Material: Aluminum Spring Material: Stainless Steel Package Contents: KCI USA AR-15 Aluminum Rifle Magazine .223/5.56x45mm 30/rd Black These standard capacity magazines are designed to hold 30 rounds of .223 Remington or 5.5645. They are made from 6061-grade aluminum. They are heat-treated and anodized per MIL-A-8625 Type III Class I for durability. Weight: 0.3lbs Compatibility: AR-15 / M16 / M4 Caliber: .223 / 5.56x45mm Capacity: 30 Rounds Body Material: Aluminum Spring Material: Stainless Steel Finish: Anodized KUKCIMZ018