Infinity Firearms
Staccato HD P4X Triggers
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Manufacturer
Staccato
Model & version
HD P4X
Mounting details
MIL-STD-1913 Picatinny, Staccato HD HOST optic plates
Parts listed
2 total
Staccato HD P4XTriggers
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
Infinity Firearms1
Based on manufacturer information — Oct 2026.
Red Dirt USA1
Staccato HD Grip Trigger – Classic Black