Parker Mountain Machine
Heckler & Koch VP9A1 K Compensators
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Manufacturer
Heckler & Koch
Model & version
VP9A1 K
Mounting details
HK VP optic plate system, MIL-STD-1913 Picatinny
Parts listed
2 total
Heckler & Koch VP9A1 KCompensators
What the compatibility labels mean
How we knowHow we check compatibility
- Lab testedFit checked by Firearm Lab for the recorded setup.
- Documented fitmentSupported by manufacturer, partner, or reviewed community evidence.
- Interface matchMounting details match, but this exact model and part have not been confirmed to fit together.
Check your exact model and part before ordering. Fitment limits
Parker Mountain Machine2
Based on manufacturer information — Aug 2026. May require modification — see notes.
Based on manufacturer information — Aug 2026.Parker Mountain MachinePMM Compensator for HK VP9
May require modification — see notes.