CNC Steel Parts For Self-defense Shooting
Quality control strictly adheres to military standards, with every batch of parts undergoing 100% magnetic particle inspection. Durability testing on a simulated shooting platform verifies the reliability of parts in extreme environments. Compared to traditional castings, CNC-machined steel parts have a 90% lower failure rate and a three-fold increase in service life.
Description
CNC-machined self-defense shooting steel parts are made of 4140 alloy steel, tempered to a hardness of HRC28-32, ensuring sufficient strength while maintaining excellent cutting performance. Key components such as the firing pin seat and trigger linkage are machined on a five-axis machining center, with dimensional tolerances strictly controlled within ±0.02mm, ensuring the reliability and safety of the action mechanism. The surface undergoes QPQ treatment to create a 20μm nitriding layer, increasing wear resistance by over five times and enduring over 100,000 rounds.
Precision CNC machining


CNC manufactured parts
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Tolerance丨Surface Roughness |
+/-0.005 - 0.01mm 丨 Ra0.2 - Ra3.2(Customize avaiable) |
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Materials Available |
Aluminum, Copper, Stainless Steel, Iron, PE, PVC, ABS, etc. |
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Surface treatment |
Polishing, general/hard/color oxidation, surface chamfering, tempering, etc |
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Machining process |
CNC Turning, Milling parts, Drilling, Auto Lathe, Tapping, Bushing, Surface Treatment, etc. |
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Test tool |
CMM / Tool microscope / multi-joint arm / Automatic height gauge / Manual height gauge / Dial gauge / Roughness measurement |
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High-speed CNC machining of metal parts
Differentiated machining solutions are employed to meet different functional requirements. The barrel extension is deep-hole drilled to achieve an internal bore straightness of 0.01mm/m, and a dedicated reamer is used to maintain an inner wall roughness of Ra0.4. The safety mechanism utilizes micro-milling technology to create a precision notch 0.3mm wide, with a positional error of no more than 0.015mm. All moving parts are optimally weighted for a more balanced and stable operation.
Our Services

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Manufacturing Flow Chart

about Us
Core Values:
Expertise in difficult-to-machine materials: Precision forming of specialty materials such as Inconel and magnesium alloys.
Functional surface treatments: We offer conductive oxidation and Teflon coatings to meet specialized working conditions.
Third-party certification support: We assist clients in obtaining international certifications such as SGS and UL.
Our primary clients include aerospace, oil drilling, and high-speed rail, and our products are exported to emerging markets such as Russia and Brazil. Please contact us for customized solutions!
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