Derya Firearms DY12 Magazine 5rd 12 Gauge Fits Derya MK Metal. It features an anti-tilt polymer follower and a secure base plate ensuring flawless operation. Universally compatible with the DY12 MKA1919 VR80 X12/F12 Boss and AR12 this magazine is your key to extended capacity and reliable feeding across a wide range of 12GA shotguns. Specifications for Derya Arms Shotgun Magazine 12 Gauge 5 Rounds Fits DY12 Blued Finish Black: Manufacturer: Derya Arms Magazine Capacity: 5 Round Color: Black Finish: Blued Black Additional Features: Derya DY12 Magazine Case Finish: Blued Handle Color: Black Gauge: 12 Number of Rounds: 5 Features of Derya Arms Shotgun Magazine 12 Gauge 5 Rounds Fits DY12 Blued Finish Black: Caliber: 12GA Package Contents: Derya Arms Shotgun Magazine 12 Gauge 5 Rounds Fits DY12 Blued Finish Black