Description
The recoil spring plug might seem like a small part, but it plays a crucial role in your 1911. It secures the recoil spring into the frame and allows you quick access to the spring during disassembly and cleaning. Made from steel with a matte blued finish, this Springfield Armory factory part integrates seamlessly with any mil-spec 1911 platform.
What the Recoil Spring Plug Does
Beyond holding the spring in place during firing, the plug serves a dual purpose as your disassembly tool. When you need to field strip the gun for cleaning, the plug lets you compress the recoil spring and rotate the barrel bushing for removal. This simple design has been proven across thousands of 1911 pistols over decades, and Springfield's version maintains that same reliable approach without unnecessary complexity.
Compatibility Across Multiple Calibers
This plug fits Springfield Armory 1911s chambered in .45 ACP, .38 Super, 9mm Luger, 10mm auto, and .40 S&W. Whether you're running a full-size government model or working on a custom project, the mil-spec dimensions keep things consistent and straightforward. The finish resists wear from regular handling and cleaning cycles, and the matte blued surface matches the look of traditional 1911 pistols.
Essential Spare and Replacement Part
Most 1911 owners eventually discover why keeping a spare plug on the workbench makes sense. During disassembly, these small parts can launch unexpectedly across the room when the recoil spring pressure is released. A replacement plug keeps you shooting instead of searching under furniture. This factory Springfield part also works as a direct replacement if your original plug becomes lost or damaged.
Key Specifications
- Manufacturer: Springfield Armory
- Manufacturer Part Number: PI0031
- UPC: 706397855611
- Model: Mil-Spec 1911
- Material: Steel
- Finish: Matte Blued
- Compatible Calibers: .45 ACP, .38 Super, 9mm Luger, 10mm auto, .40 S&W
- Type: Recoil Spring Plug
What’s Included
- Recoil spring plug
Frequently Asked Questions
Will this recoil spring plug fit my Springfield 1911?
Yes, if your Springfield is a mil-spec 1911. This plug is designed for all Springfield mil-spec platforms chambered in .45 ACP, .38 Super, 9mm Luger, 10mm auto, or .40 S&W. It works with both full-size government and commander models using standard recoil systems with short guide rods.
What's the purpose of the recoil spring plug?
The plug retains the recoil spring inside the frame and allows you to access and remove the spring during field stripping and cleaning. It also doubles as your disassembly tool by letting you compress the spring and rotate the barrel bushing for removal. Without it, the spring and guide would fall out of the frame.
Why would I need a spare recoil spring plug?
During disassembly, when you release pressure on the recoil spring, the plug can launch unexpectedly across the room or garage. Having a spare means you can keep shooting instead of spending time searching for the original. It's also useful as a backup if your original becomes lost or damaged over time.
Is this the original factory Springfield part?
Yes, this is the factory Springfield Armory recoil spring plug listed as part of the official mil-spec 1911 design. It's manufactured to the same specifications as what comes on new Springfield 1911 pistols and serves as a direct replacement for original or damaged plugs.





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