DPM Gen 1-5 Pin Pistol Springs Glock. The set includes three springs of varying length and strength to accommodate any trigger pull requirement. As always at DPM user safety is our top priority. Our products are carefully designed and developed with your safety in mind. We take pride in our exceptional manufacturing and engineering processes which also utilize high-end materials. Specifications for DPM Glock Gen 1-5 Pin Pistol Springs: Manufacturer: DPM Color: Stainless Gun Model: Glock 17 Glock 19 Caliber: 9mm Luger Package Contents: DPM Glock Gen 1-5 Pin Pistol Springs What firearm models does the manufacturer say DPM Glock Gen 1-5 Pin Pistol Springs is compatible with? The manufacturer suggests that DPM Glock Gen 1-5 Pin Pistol Springs is compatible with Glock 19 Glock 17DPM FPS-GL17-19: Gen 1-5 Pin Pistol Springs Glock 17/19