Agency Arms
GLOCK 19 Gen 4 MOS Barrels
Browse parts and check the source behind each answer.
Manufacturer
GLOCK
Model & version
Glock 19 · Gen 4 · MOS
Mounting details
Glock MOS, Glock Accessory Rail
Parts listed
14 total
GLOCK 19 Gen 4 MOSBarrels
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
Agency Arms1
Based on manufacturer information — Aug 2026.
Faxon Firearms7
Faxon Match Series Flame Fluted Barrel for G19 Gen 2-5 9mm
Faxon Match Series Flame Fluted Barrel for G19 Gen 2-5 9mm in Chameleon PVD
Faxon Match Series Flame Fluted Barrel for G19 Gen 2-5 9mm in TIN PVD
Faxon Match Series Flame Fluted THRD Barrel for G19 Gen 2-5 9mm Chameleon PVD
Faxon Match Series Flame Fluted Threaded Barrel for G19 Gen 2-5 9mm
Faxon Match Series Flame Fluted Threaded Barrel for G19 Gen 2-5 9mm in TIN PVD
Faxon Match Series Spiral Fluted Threaded Barrel for G19 Gen 2-5 9mm Nickel PVD
Griffin Armament1
Glock 19 Gen 3/4 Barrel 1/2×28 Threaded With Micro Carry Comp
Part no. GAG19G4TB
KKM Precision5
19 Match 9MM 4.02"OAL (Fits Glock G19 Gen 1-5)
19 Match 9MM with 1/2×28 Suppressor Threads 4.635"OAL (Fits Glock G19 Gen 1-5)
19 Match 9MM with 9/16×32 Threads 4.4"OAL (Fits Glock G19 Gen1-4)
Gen5 19/45 Match 9MM 4.02"OAL (Fits Glock G19/G45 Gen 1-5)
Gen5 19/45 Match 9MM with 1/2×28 Suppressor Threads 4.635"OAL (Fits Glock G19/G45 Gen1-5)