10-8 Performance
GLOCK 31
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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 31
Mounting details
Glock Accessory Rail, Glock rear-sight dovetail (standard and Slimline slides)
Compatibility records
204
Sights
Lights & rail fitment
Grip & magwells
Magwells
1 listedBase Pads
12 listed- ANR Design
Carry Baseplate for GLOCK Pistols
Part no. G-MAG-01Manufacturer documented - Cain Arms
Base Plate (single) Fits glock 9mm/40/357
Manufacturer documented - Pearce Grip
GLOCK GEN 4/5 : PG-G5BP
Manufacturer documented - Shield Arms
Glock Double Stack +0 Aluminum Base Plate
Manufacturer documented
Magazines
1 listedTriggers & internals
Triggers
10 listed- Johnny Glocks
Factory OEM trigger shoe Upgrade (modified & enhanced)
Manufacturer documented - Ranger Proof
Long Ranger
Manufacturer documented - Tactical Pontoon
Heisenberg Trigger System
Manufacturer documented - Tactical Triggers
Drop-in Trigger for Glock Pistols
Manufacturer documented
Also on this pistol
Holsters
10 makers- Alien Gear Holsterschecked 2026-11-01
- Blackhawkchecked 2026-11-01
- Bravo Concealmentchecked 2026-11-01
- Concealment Expresschecked 2026-11-01
- DeSantis Gunhidechecked 2026-11-01
- Galcochecked 2026-11-01
- PHLsterchecked 2026-11-01
- Safarilandchecked 2026-11-01
- Vedder Holsterschecked 2026-11-01
- We The People Holsterschecked 2026-11-01
Check each manufacturer’s options for your model, light and optic.
Optics & footprint adapters
Optics
1 listedOptic 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
Barrels & comps
Barrels
7 listed- KKM Precision
31 Match .357Sig 4.49"OAL (Fits Glock 31 Gen 1-4)
Source needs review - KKM Precision
31 Match .357Sig with 1/2×28 Suppressor Threads 5.1"OAL (Fits Glock G31 Gen1-4)
Source needs review - KKM Precision
31 Match .357Sig with 9/16×32 Threads 5.1"OAL (Fits Glock 31 Gen1-4)
Source needs review - KKM Precision
31 Match 40S&W 4.49"OAL (Fits Glock 31 Gen1-4)
Source needs review
Categories with no listings (8)
About the GLOCK 31
- Type
- Pistol
- Manufacturer
- GLOCK
- Model & version
- Glock 31
- Caliber
- 357 SIG
- Mounting details
- Glock Accessory Rail, Glock rear-sight dovetail (standard and Slimline slides)
- Weight
- 23.28 oz
- Barrel length
- 4.49"
Other versions of the Glock 31
Compare versions and check the details for your exact model.
- GLOCK 31 Gen 3Same recorded mounting details. Check each part for additional requirements.
- GLOCK 31 Gen 4Same recorded mounting details. Check each part for additional requirements.