10-8 Performance
GLOCK 42
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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 42
Mounting details
Glock rear-sight dovetail (standard and Slimline slides)
Compatibility records
135
Sights
Triggers & internals
Triggers
20 listed- Agency Arms
Glock DROP-IN TRIGGERS
Manufacturer documented - CMC Triggers
CMC Drop-In Trigger for Glock Gen3 .380 ACP Slimline
Manufacturer documented - Ghost Inc.
G42/G43/43X & 48 Ghost Edge Connector
Manufacturer documented - Johnny Glocks
Factory OEM trigger shoe Upgrade (modified & enhanced)
Manufacturer documented
Recoil Springs
2 listed- DPM Systems
DPM "SOFT" Recoil System For Glock 42 .380 Auto
Manufacturer documented - DPM Systems
DPM Recoil System For Glock 42 .380 Auto
Manufacturer documented
Lights & rail fitment
Lights & Lasers
16 listed- Crimson Trace
Ll-803 Laserguard Pro for Glock G42, G43, G43X, G48
Part no. LL-803Manufacturer documented - Nightstick
TSM-11G Light with Green Laser for Glock G42/43/43X/48
Part no. TSM-11GManufacturer documented - Streamlight
TLR-6 (Glock 42/43/43X/48) with red laser
Part no. 69270Manufacturer documented - Viridian Weapon Technologies
Viridian Reactor 5 Gen 2 (green laser)
Part no. Reactor-R5-Gen2Manufacturer documented
Also on this pistol
Holsters
10 makers- ANR Designchecked 2026-07-30
- Bravo Concealmentchecked 2026-11-01
- Concealment Expresschecked 2026-11-01
- CrossBreed Holsterschecked 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
Grip & magwells
Base Pads
3 listed- Pachmayr
Grip Extenders
Part no. Grip ExtendersManufacturer documented - Pearce Grip
GLOCK GEN 4/5 : PG-42
Manufacturer documented - TangoDown
Vickers Tactical Floor Plates for Glock 42 (ONLY) - VTMFP-003
Part no. VTMFP-003Manufacturer documented
Magazines
1 listedCategories with no listings (9)
About the GLOCK 42
Manufacturer listing ↗ · Checked 2026-08-02
- Type
- Pistol
- Manufacturer
- GLOCK
- Model & version
- Glock 42
- Caliber
- .380 Auto
- Mounting details
- Glock rear-sight dovetail (standard and Slimline slides)
- Width
- 0.98"
- Height
- 4.13"
- Weight
- 12.17 oz
- Slide width
- 0.83"
- Slide length
- 5.75"
- Barrel length
- 3.25"
- Overall length
- 5.94"