ZEV Technologies Standard Power Striker Spring 3 Pound Single Unit. Specifications for ZEV Technologies Standard Power Striker Spring: Manufacturer: ZEV Technologies Color: Black Gun Model: All Glock Gen 5 All Glock Gen 1-4 except Glock 42 Glock 44 Caliber: .45 GAP .357 Magnum 9mm Luger .380 ACP .40 S&W .45 ACP 10mm Auto Quantity: 1 Weight: 3 lb Package Contents: ZEV Technologies Standard Power Striker Spring The ZEV Technologies Standard Power Striker Spring 3 Pound SPR-STK-3LB is a quality addition to the ZEV Technologies lineup. For more great deals on Pistol Slides & Slide Parts by ZEV Technologies please browse our Zev Technologies Gun Parts page. What firearm models does the manufacturer say ZEV Technologies Standard Power Striker Spring is compatible with? The manufacturer says that ZEV Technologies Standard Power Striker Spring is compatible with All Glock Gen 1-4 except Glock 42 Glock 44 All Glock Gen 5ZEV Technologies SPR-STK-3LB: Standard Power Striker Spring 3 Pound Single Unit