




Eemann Tech Firing Pin Spring for SIG Sauer MPX
The Eemann Tech Firing Pin Spring is precisely engineered for the SIG Sauer MPX platform, ensuring consistent ignition and reliable cycling. Crafted from premium AISI 631 (17-7 PH) stainless steel with a 0.75 mm single-wire design, it delivers strength, corrosion resistance, and durability for high-round-count use. The spring undergoes a specialized heat treatment process, enhancing its mechanical properties and extending its service life. Perfect as a replacement for the original SIG Sauer MPX firing pin spring (OEM part number 1811051-R), it maintains full compatibility with factory specifications, making it ideal for sport shooting, professional applications, and intensive training.
Specification:
- Material: stainless steel
- Wire Diameter: 0.75 mm single-wire construction
- Heat Treatment: Enhanced durability and performance
- Consistent Operation: Reliable firing pin function in various conditions
- Application: Sport shooting, professional use, high-round-count training
- OEM Reference: Replaces SIG Sauer MPX OEM part number 1811051-R
Pairs well with

Eemann Tech Firing Pin Spring for SIG Sauer MPX
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Shipping Information
We do our very best to ensure that order are shipped within 3 business days of being placed during weekdays (excluding holidays).
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