KKM Precision
GLOCK 40 Gen 4 MOS Compensators
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Manufacturer
GLOCK
Model & version
Glock 40 · Gen 4 · MOS
Mounting details
Glock MOS, Glock Accessory Rail
Parts listed
2 total
GLOCK 40 Gen 4 MOSCompensators
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
KKM Precision2
Based on manufacturer information — Nov 2026. 40 Match 40S&W Barrel with 5/8×32 Thread 4-Port Compensator (Fits Glock 40 Gen1-4)