10-8 Performance
GLOCK 20 SF
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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 20 · SF
Mounting details
Glock Accessory Rail, Glock rear-sight dovetail (standard and Slimline slides)
Compatibility records
175
Sights
Lights & rail fitment
Triggers & internals
Triggers
12 listed- Johnny Glocks
Factory OEM trigger shoe Upgrade (modified & enhanced)
Manufacturer documented - Ranger Proof
Long Ranger
Manufacturer documented - StandardCo
STANDARD CO V2 Flat Face Trigger
Manufacturer documented - Tactical Pontoon
The Hammer System (.45/10mm)
Manufacturer documented
Optics & footprint adapters
Optic Plates
6 listed- Aimpoint
ACRO Rear Sight Adapter Plate for GLOCK
Interface match - C&H Precision
Fits GLOCK Rear Dovetail Adapter Holosun 407K / 507K / C&H EDC / EDC Enclosed / Olight Osight S STEEL
Interface match - Outerimpact
Red Dot Mount – MRA for Glock
Interface match - C&H Precision
Fits GLOCK Rear Dovetail Adapter Holosun 509T STEEL
Interface match
Also on this pistol
Holsters
4 makers- Galcochecked 2026-11-01
- PHLsterchecked 2026-11-01
- Safarilandchecked 2026-11-01
- Vedder Holsterschecked 2026-11-01
Check each manufacturer’s options for your model, light and optic.
Barrels & comps
Grip & magwells
Categories with no listings (11)
About the GLOCK 20 SF
Manufacturer listing ↗ · Checked 2026-08-02
- Type
- Pistol
- Manufacturer
- GLOCK
- Model & version
- Glock 20 · SF
- Caliber
- 10mm
- Mounting details
- Glock Accessory Rail, Glock rear-sight dovetail (standard and Slimline slides)
- Width
- 1.34"
- Height
- 5.51"
- Weight
- 27.34 oz
- Slide width
- 1.12"
- Slide length
- 7.6"
- Barrel length
- 4.61"
- Overall length
- 8.07"
Other versions of the Glock 20
Compare versions and check the details for your exact model.
- GLOCK 20Same recorded mounting details. Check each part for additional requirements.
- GLOCK 20 Gen 2Lacks: Glock Accessory Rail.
- GLOCK 20 Gen 3Same recorded mounting details. Check each part for additional requirements.
- GLOCK 20 Gen 4Same recorded mounting details. Check each part for additional requirements.
- GLOCK 20 Gen 5 MOSAdds: Glock MOS. Lacks: Glock rear-sight dovetail (standard and Slimline slides).
- GLOCK 20 V MOSAdds: Glock MOS. Lacks: Glock rear-sight dovetail (standard and Slimline slides).