10-8 Performance
GLOCK 40
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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
Model details
Manufacturer
GLOCK
Model & version
Glock 40
Mounting details
Glock Accessory Rail, Glock MOS, Glock rear-sight dovetail (standard and Slimline slides)
Compatibility records
243
Sights
Lights & rail fitment
Optics & footprint adapters
Optics
4 listed- C&H Precision
C&H Direct Mount Optic for Glock MOS Optics Ready Pistols (G17, G19, G20, G21, G22, G23, G34, G35, G40, G41, G45, G47)
Interface match - Holosun
SCS-MOS
Part no. SCS-MOSInterface match - Leupold
DeltaPoint Micro (Glock)
Part no. 178745Manufacturer documented - Primary Arms
PLx HTX-1 Enclosed Pistol Red Dot Sight - ACSS Vulcan Dot Reticle
Interface match
Optic Plates
44 listed- Aimpoint
ACRO Rear Sight Adapter Plate for GLOCK
Interface match - C&H Precision
(MOS5) V4 MIL/LEO Adapter Aimpoint Acro, C&H DUTY, DUTY-XL (STEEL)
Interface match - Night Fision
Precision Optic Plate: Glock MOS (19/17/47) to 509t Footprint
Interface match - Outerimpact
Red Dot Mount – MRA for Glock
Interface match
Barrels & comps
Barrels
10 listed- KKM Precision
40 Match 10MM 6"OAL (Fits Glock G40 Gen 1-4)
Source needs review - KKM Precision
40 Match 10MM 7"OAL (Fits Glock 40)
Manufacturer documented - KKM Precision
40 Match 10MM with .578×28 Suppressor Threads 6.5"OAL (Fits Glock G40 Gen 1-4)
Source needs review - KKM Precision
40 Match 10MM with 9/16×24 Suppressor Threads 6.5"OAL (Fits Glock 40)
Manufacturer documented
Triggers & internals
Triggers
8 listed- Johnny Glocks
Factory OEM trigger shoe Upgrade (modified & enhanced)
Manufacturer documented - Ranger Proof
Long Ranger
Manufacturer documented - Tactical Triggers
Drop-in Trigger for Glock Pistols
Manufacturer documented - Johnny Glocks
JG VEX - CONVEX FACE TRIGGER SHOE
Manufacturer documented
Grip & magwells
Also on this pistol
Holsters
2 makers- ANR Designchecked 2026-07-30
- Vedder Holsterschecked 2026-11-01
Check each manufacturer’s options for your model, light and optic.
Categories with no listings (10)
About the GLOCK 40
- Type
- Pistol
- Manufacturer
- GLOCK
- Model & version
- Glock 40
- Caliber
- 10mm
- Mounting details
- Glock Accessory Rail, Glock MOS, Glock rear-sight dovetail (standard and Slimline slides)
- Width
- 1.34"
- Height
- 5.47"
- Weight
- 32.28 oz
- Slide width
- 1.12"
- Slide length
- 9.02"
- Barrel length
- 6.02"
- Overall length
- 9.49"
Other versions of the Glock 40
Compare versions and check the details for your exact model.
- GLOCK 40 Gen 4 MOSLacks: Glock rear-sight dovetail (standard and Slimline slides).