KCI USA AR-15 50rd Drum Magazine 5.56x45mm

KCI USA's 50-round drum magazine is designed for AR-15 pattern firearms chambered in .223 Remington / 5.56x45mm. The polymer body with steel-reinforced feed lips uses dual independent follower belts to maintain balance while feeding, making it suitable for extended range sessions, training drills, and competition practice. Compatibility can vary with non-mil-spec lower receivers; review fitment notes below before use.

Key Specifications

• This magazine is chambered for .223 Remington / 5.56x45mm.
• The capacity is 50 rounds.
• The body is constructed from polymer / polycarbonate.
• The spring is made of high carbon steel / chrome-silicon depending on production batch.
• Feeding is accomplished via dual independent follower belts that alternate left and right to maintain balance.
• Compatibility is intended for AR-15 / M16 / M4 pattern firearms.
• The listed packed dimensions are 5.15 x 6.40 x 9.25 inches.
• The listed shipping weight is 2.06 pounds.
• Some product literature states the warranty is void if the magazine is disassembled and that it is not designed for hollow point ammunition.
• State restrictions: no direct ship to California, Rhode Island, Washington; no sale to Illinois or Oregon.

Engineered for consistent feeding during extended sessions, this drum magazine offers a practical high-capacity option for range work, training, and competitive use where permitted. Robust polymer construction and reinforced feed components provide a balance of durability and weight for routine handling and storage.