dimensions and Threading:** – **Diameter:** 1.375 inches (1 3/8 inches). – **Thread Pitch:** 24 threads per inch (TPI). This is a fine thread, which generally provides a tighter and more precise fit compared to coarse threads.
SPECIFICATIONS: Brand: Machine Model: Frame Kit for Glock G19 Gen 1-3 Kit Type: Frame Kit Includes Trigger / Trigger Bar: Yes Includes Guide Rod & Spring: No Gen Compatibility: 1, 2, 3 Model Compatibility: 19, 23, 45 Includes Backplate: No