The MR762 Trigger Axle is a model-specific lower-receiver pin associated with the fire-control assembly. This page provides neutral identification and compatibility information without installation instructions.
MR762 Trigger Axle specifications and reference details
- HK part number/SKU: 50227886
- Component type: trigger axle
- Referenced platform: HK MR762
- Assembly area: Lower receiver
HK lists this component within its rifle-parts inventory. Confirm the current description through the official HK Lower Receiver Parts catalog.
Model compatibility and related components
Because dimensions and retention details can be platform-specific, confirm it against the exact MR762 generation and related fire-control components. Related references include MR556 Front Takedown Pin, MR762 Trigger Axle, MR762 Bolt Catch, and MR762 Receiver End Plate. Browse Lower Receiver Parts or return to the broader Rifle Parts category.
Identification considerations
Use part number 50227886, the complete component name, host-model markings and current HK documentation together. Similar-looking receiver parts may differ by diameter, length, material, retention method or revision.
Safety and professional service
Keep the firearm unloaded and follow the current operator and armorer documentation during inspection or service. Incorrect lower-receiver components or assembly can affect function and safety. Installation, inspection and function testing should be performed by HK or a qualified firearms professional. The completed firearm configuration must comply with applicable law.
Common MR762 Trigger Axle questions
Is this a universal AR-pattern component?
No. The listing identifies a component for HK MR762. Universal fit should not be assumed.
How is compatibility confirmed?
Match HK part number 50227886 to the exact model, generation and related assembly.
Is professional installation recommended?
Yes. A qualified firearms professional should confirm fit and safe function.
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