Derya DY12 12 Gauge Black Drum Magazine Shotgun Magazine - 21 Rounds - Unleash Extended Firepower with the Derya DY12 21-Round Drum Magazine. This isn't just any magazine; it's a Derya Drum Masterpiece for the DY12 Series. Engineered with a hybrid construction of steel and polymer for optimal durability and functionality, this 21-round drum magazine is designed for those who need maximum capacity without compromise. Its sleek black finish not only complements your shotgun but also features an intuitive loading mechanism for swift reloads under pressure. Backed by a Limited Lifetime Warranty, this magazine ensures long-term reliability across the DY12, MKA1919, VR80, X12/F12, Boss, and AR12 platforms, delivering unparalleled performance for tactical engagements or range days.