Glock Recoil Spring Assembly Dual 9mm (G19 Gen5, G19X, G45, G45 MOS) Marked 1-7. This steel and polymer dual recoil spring assembly will fit Glock G19 Gen 5, G19X, G45 & G45 MOS pistols chambered in 9mm. This assembly is marked 1-7 on the end. This is a factory original Glock Part. It is made to the same high standards in material and workmanship as the parts that originally came in your Glock firearm. This part is perfect to replace your worn or damaged parts, or to have as a spare to keep your Glock in top operating condition.
