The Black River MFG Battle Drum 12 Gauge Semi-Auto Shotgun Drum Magazine delivers compact, high-capacity performance for MKA 1919-pattern shotguns. Built around a rugged polymer drum with heat-treated interior parts and metal components, it is engineered to handle demanding use while keeping the profile shorter and stronger than traditional shotgun drums. The patented EZ Load wheel makes filling all 20 rounds of 2-3/4 or 3" shells smooth and controlled, with a clear front cover and Black/Royal Blue accents that showcase the internal mechanism.

This Battle Drum is ideal for extended range sessions, competition stages, and training where fast reloads and consistent feeding matter. Its broad compatibility with popular MKA 1919-style semi-automatic shotguns means you can upgrade capacity across multiple platforms with a single magazine. Thoughtful construction and thorough drop and environmental testing reflect Black River MFG and Orthos Arms’ focus on reliability, durability, and practical innovation.

Key Features:

• Manufacturer: Black River MFG
• Model: Battle Drum — 20 Round Shotgun Drum Magazine
• Gauge: 12 Gauge
• Capacity: 20 Rounds
• Shell Compatibility: 2-3/4" and 3" 12 Gauge Shells
• Action Type Compatibility: Semi-Automatic MKA 1919-Pattern Shotguns
• Unique Features: Patented EZ Load Wheel, Heat-Treated Interior Parts, Drop-Tested Element-Resistant Construction
• Finish Color: Black/Royal Blue With Clear Front Cover