Rebuild Kit for Mainspring Housing – Stainless

✅ Rebuild Kit for 1911 Mainspring Housing – Stainless Steel

The TMC Mainspring Housing Rebuild Kit provides everything you need-New Performance • Selectable Hammer Spring • Corrosion-Resistant Stainless

The Rebuild Kit for 1911 Mainspring Housing – Stainless Steel provides every internal component needed to install a new mainspring housing or fully rebuild worn internals back to factory-new condition. Whether you are refreshing a duty pistol, tuning a competition gun, or completing a custom build, this kit restores proper spring tension, smooth trigger feel, and reliable ignition.

Unlike generic rebuild kits, only TMC gives you the option to select your hammer (mainspring) weight, allowing you to fine-tune trigger pull, lock time, and ignition reliability to match your exact shooting needs.

✅ Complete Factory-Correct Rebuild Solution

This 1911 mainspring housing rebuild kit includes all critical internal components required for a full, no-compromise rebuild:

✔ Selectable hammer spring
✔ Precision mainspring cap
✔ Mainspring cap pin
✔ Mainspring housing retaining pin

By replacing every wear component at once, you restore correct energy transfer, consistent ignition, and dependable cycling in a single installation.

✅ Selectable Hammer Spring Weight – TMC Exclusive

Most kits lock you into a single spring weight. However, this TMC rebuild kit allows you to choose the exact hammer spring weight, giving you complete control over:

✔ Trigger feel
✔ Slide velocity
✔ Lock time
✔ Primer ignition reliability

As a result, you can tune your pistol for competition speed, duty reliability, or defensive carry confidence—all with one premium kit.

✅ Swiss CNC Precision Manufacturing

Every component in this stainless steel rebuild kit begins as high-grade steel and is produced on high-end Swiss CNC screw machines for exact dimensional accuracy. After machining, each part receives:

✔ Centerless grinding for precise fit
✔ Full heat treatment and hardening
✔ Final surface finishing for smooth operation

Because of this process, the parts install cleanly, resist deformation, and perform flawlessly under high round counts.

✅ Corrosion-Resistant Stainless Steel Construction

This version features stainless steel external components, making it the ideal choice for stainless or two-tone pistols. Key advantages include:

✔ Superior corrosion resistance
✔ Excellent wear protection
✔ Clean, professional appearance
✔ Long service life in harsh environments

✅ Key Features & Benefits

✔ Complete 1911 mainspring housing rebuild kit
✔ Includes cap, cap pin & retaining pin
✔ Selectable hammer spring weight
✔ Swiss CNC precision machining
✔ Heat treated & hardened for strength
✔ Stainless steel finish for corrosion resistance
✔ Restores smooth trigger feel & reliable ignition
✔ Ideal for repairs, upgrades, and custom builds
✔ Ready to install

✅ Compatibility

✔ Most single-stack 1911 pistols
✔ Government, Commander, and Officer-size frames
✔ Factory and aftermarket mainspring housings
✔ Compatible with major 1911 manufacturers

⚠️ Not designed for 2011 or double-stack frames.

✅ Ideal Applications

✔ Mainspring housing replacement
✔ Full internal rebuilds
✔ Trigger tuning projects
✔ Competition pistols
✔ Duty & defensive carry pistols
✔ Preventive maintenance upgrades
✔ Custom 1911 builds

✅ Why Replace Your Mainspring Housing Internals?

Worn mainspring components often cause:

❌ Light primer strikes
❌ Inconsistent trigger pull
❌ Sluggish lock time
❌ Cycling and feeding issues
❌ Accelerated wear on ignition parts

Installing a complete rebuild kit restores factory-correct energy transfer, consistent trigger performance, and reliable primer ignition.

✅ Summary

The Rebuild Kit for 1911 Mainspring Housing – Stainless Steel delivers:

✅ Complete internal rebuild solution
✅ Selectable hammer spring tuning
✅ Corrosion-resistant stainless durability
✅ Smooth, consistent trigger feel
✅ Reliable ignition performance
✅ Long-term service life

This is the correct rebuild kit for shooters who want factory-new reliability with custom-tuned performance in their 1911.