The Xtech Tactical Magazine for Glock 19 holds 15 rounds and features a steel reinforced magazine body. It includes a 17-7 stainless steel spring and a proprietary baseplate made of Delrin with an additive for reduced friction.Key FeaturesUpgrade Over Glock Factory: This magazine offers enhanced performance compared to the standard Glock factory magazine.Steel Reinforced Magazine Body: Provides added durability and reliability during use.17-7 Stainless Steel Spring: Ensures consistent feeding and long-term performance.Delrin Baseplate: Designed with an additive to minimize sticking and enhance operation.