MR556/MR762 Forward Assist Pressure Spring is a small forward-assist component identified by SKU 50203635. This page provides neutral identification and compatibility information for the referenced HK model families.
Forward Assist Pressure Spring specifications
- SKU: 50203635
- Component type: Forward-assist pressure spring
- Referenced families: HK MR556 and MR762
- Category: Upper Receiver Parts
The item appears in the official HK Upper Receiver Parts catalog.
MR556 and MR762 compatibility
Spring dimensions, tension, forward-assist configuration, and production variation may affect compatibility. Confirm the complete upper-receiver assembly and manufacturer part number.
Related pages include the Forward Assist Complete and Forward Assist Clamping Sleeve. Browse Upper Receiver Parts or Rifle Parts.
Identification considerations
Use SKU 50203635, spring shape and dimensions, assembly reference, and manufacturer diagrams. A visually similar spring may have different tension or geometry.
Safety and professional service
Unload the firearm, remove the magazine, verify the chamber is clear, and separate ammunition. A qualified gunsmith should confirm identity, condition, compatibility, installation, movement, and safe function.
Common Forward Assist Pressure Spring questions
Is this a complete forward-assist assembly?
No. It is an individual pressure spring.
Can another spring be substituted?
No substitution should be assumed without verified manufacturer documentation.
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