Engineered for DY9 models in 9mm, this magazine expands your capacity to 17-round, keeping you on target longer. Constructed from a durable polymer and steel blend, it meets Derya's exacting standards for flawless fit and function. Designed to match original equipment in every aspect, it delivers the reliability and performance your DY9 pistol demands. Maximize your firepower with the Derya DY9 17-round magazine