The Springfield Armory 1911 Plunger Tube Spring is an essential component designed to enhance the performance and reliability of your 1911 pistol. Compatible with various Springfield models including the High Capacity Loaded Micro Compact and Mil Spec this spring ensures smooth operation and consistent tension in the plunger tube assembly. Crafted for durability and precision it is an ideal choice for maintaining your firearm's optimal functionality and extending its lifespan. Whether you are a professional shooter or an enthusiast this high-quality plunger tube spring is a must-have for your Springfield 1911.