The Panzer Arms® MKA 1919 / AR-12 Skeletonized 12-Gauge 20-Round Aluminum Drum Magazine was designed to help shooters get the most out of their range days. This magazine features a combination of heavy-duty polymer and aluminum construction that makes it perfect for rough and tough use at the range. A polymer follower and steel spring combine to ensure smooth and proper feeding while an adjustable tension wheel allows for easy loading. Plus, the skeletonized design creates a lightweight build to add as little weight as possible to your shotgun for easier maneuvering. What are you waiting for? Order now!