Upgrade your 1911 platform with the 1911 AUTO “Factory Plus” Mainspring Caps. Engineered to deliver factory‑level performance while adding the durability of premium aftermarket components, these caps are the perfect match for the original 1911 recoil spring assembly. Whether you’re a competitive shooter, a law‑enforcement professional, or a firearms enthusiast, the Factory Plus mainspring caps provide consistent, reliable operation that lets you focus on accuracy and speed.
Key Benefits
- Factory‑Grade Fit: Precisely machined to the exact dimensions of original 1911 components, ensuring a seamless installation without any modification.
- Enhanced Durability: Made from high‑strength, corrosion‑resistant steel that resists wear, cracking, and deformation under extreme recoil forces.
- Improved Reliability: Maintains optimal spring tension, reducing the risk of malfunctions such as failure to feed or lock‑up.
- Easy Installation: Designed for a drop‑in fit—simply replace the old caps with the Factory Plus caps and reassemble.
- Consistent Performance: Guarantees a stable spring rate for smooth cycling and consistent trigger pull throughout the life of the spring.
Product Specifications
| Part Number | 874218003029 |
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| Compatibility | All standard 1911 pistols with factory‑type recoil springs |
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| Material | High‑strength, heat‑treated steel (HRC 58‑62) |
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| Finish | Black phosphate coating for corrosion resistance |
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| Quantity | Set of 2 caps (left and right) |
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| Weight | 0.025 lb (each) |
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Why Choose 1911 AUTO “Factory Plus”?
When performance matters, you need components that match the exacting standards of the original 1911 design. The Factory Plus mainspring caps are produced in a state‑of‑the‑art CNC facility, guaranteeing each cap meets stringent tolerances for a perfect fit. Their hardened steel construction offers superior strength compared to standard OEM caps, extending the service life of your recoil spring and reducing the need for frequent replacements.
Installation Guide
- Ensure the firearm is unloaded and the slide is removed.
- Extract the existing mainspring caps from the spring assembly.
- Insert the new Factory Plus caps, aligning the notches with the spring ends.
- Reinstall the recoil spring, slide, and verify smooth operation.
- Function‑test the pistol to confirm proper cycling.
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Upgrade your 1911 today with the trusted performance of Factory Plus mainspring caps—experience smoother cycling, reduced wear, and unmatched reliability. Add to your cart now and keep your pistol firing flawlessly.
