Will a Gen 4 Glock 19 barrel fit a Gen 3 or Gen 5 frame?

No. Glock 19 Gen 4 barrels are specifically designed for Gen 4 frames and are not compatible with Gen 3 or Gen 5 due to differences in lug and recoil spring design.

What is the thread pitch on a Glock 19 Gen 4 barrel?

Most threaded Glock 19 Gen 4 barrels use a 1/2x28 thread pitch, which is standard for 9mm suppressors and compensators.

Is a gunsmith required to install a Gen 4 barrel?

No. All barrels listed are drop-in fit for Glock 19 Gen 4 frames and slides and do not require any gunsmithing or modifications.

Glock 19 Gen 4 Barrel – Threaded, Match Grade

Name: Glock 19 Gen 4 Barrel
Brand: Mounts Plus

**Grey Ghost Precision Match Grade Barrel For Glock 19 Gen 3-4 9mm** $172.79

**Faxon Duty Series Barrel for G19, Compact, Gen 2-5, 9mm, 4150, QPQ Nitride, Non-Threaded** $93.69

**Faxon Match Barrel for G19 w/ Flame Fluting, Compact, Gen 1-5, QPQ Nitride** $117.18

**Faxon Match Barrel for G19 w/ Flame Fluting, Gen 2-5, QPQ Nitride, Threaded** $121.60

**Griffin Glock® 19 Gen 3/4 Barrel 1/2x28 Threaded With Micro Carry Comp** $186.00

**Fortis Glock Match Grade Barrel for Glock 19 with Lone Rifling THREADED - TiNC (Copper)** $208.95

**Fortis Glock Match Grade Barrel for Glock 19 with Lone Rifling THREADED - TiN (Gold)** $208.95

**Fortis Glock Match Grade Barrel for Glock 19 with Lone Rifling THREADED - MDC (Grey)** $208.95

**Fortis Glock Match Grade Barrel for Glock 19 with Lone Rifling THREADED - Black Nitride** $208.95

**Fortis Barrel For Glock 19 Copper** $190.43

**Glock OEM G19 Gen 4 9mm Threaded Barrel w/ Thread Protector, 4.47" 1/2"x28 RH** $188.48

**Radian Aftrbrnr Ramjet G19 Gen 4 Brnz** $416.98

**Backup Tactical Threaded Barrel for Glock 19 – Black** $167.42

**Backup Tactical Glock 19 Threaded Barrel in Flat Dark Earth (FDE)** $167.42

**Backup Tactical Threaded Barrel for Glock 19 – OD Green** $167.42

**Faxon Duty Barrel for G19 Gen 1-5, QPQ Nitride, Threaded** $93.69

**Noveske Barrel For Glock 19 G1-5 Threaded Blk** $282.53

**Ballistic Barrel For Glock 19 G3-5 Td Blk** $130.50

**Ballistic Barrel For Glock 19 Td Bflt Blk** $166.50

**Ballistic Barrel For Glock 19 Td Sflt Gold** $184.50

**Bad One1 Barrel For Glock 19 Threaded Blk** $212.35

**Radian Afterburner Ramjet For G19 G4** $397.21

**Rosco Bloodline Barrel For Glock 19** $156.76

Glock 19 Gen 4 Barrels – Threaded, Match-Grade, and Drop-In Options

Looking to upgrade your Glock 19 Gen 4 with a premium barrel? Whether you're building a suppressor-ready carry pistol, improving accuracy for competition, or refreshing a worn OEM barrel, Mounts Plus offers a full selection of Glock 19 Gen 4 barrels that deliver match-grade performance with drop-in fitment.

Choose from threaded or non-threaded designs, fluted or ported styles, and durable finishes like TiN (Gold), Black Nitride, DLC, and Copper — all engineered specifically for Glock Gen 4 compatibility.

Why Choose an Aftermarket Barrel for Your Gen 4 Glock 19?

Upgrading your barrel can dramatically improve your Glock’s performance and adaptability. Benefits include:

✅ Threaded Barrels (1/2x28) – Perfect for suppressors, comps, or thread protectors
✅ Match-Grade Accuracy – Tighter tolerances and better groupings
✅ Fluted or Ported Options – Reduce slide weight and help with heat dissipation
✅ Durable Finishes – Choose from TiN, Black Nitride, FDE, Copper, and more
✅ Drop-In Fit – No gunsmithing required for Gen 4 Glock frames

All barrels listed on this page are designed to fit Glock 19 Gen 4 slides and recoil systems.

Featured Glock 19 Gen 4 Barrel Options

Brand	Type	Finish	Threaded	Price
Faxon Match Series	Flame Fluted	Black Nitride	Yes/No	From $93.69
Backup Tactical	Threaded	FDE, OD Green, Black	Yes	$167.42
Grey Ghost Precision	Match Grade	Stainless, Black	Yes/No	From $172.76
Fortis	Lone Rifling, TiN Coated	Gold, Copper, MDC, Black	Yes	$208.95
Rosco, Noveske, Radian	Performance Focused	Black Nitride / Bronze	Yes	Up to $416.98

All models are drop-in fit for Gen 4 Glock 19 pistols and compatible slides.

Which Glock 19 Gen 4 Barrel Is Right for You?

🔇 Running a suppressor? → Get a threaded barrel (1/2x28)
🎯 Want tighter shot groups? → Go match-grade with stainless rifling
🎨 Custom build? → Try TiN gold, copper, or OD green finishes
🛡️ Everyday carry? → Stick with a non-threaded, flush-fit model

Whether you're shooting for fun, duty, or defense, we’ve got the right barrel to fit your needs and your Gen 4 frame.

Customer Reviews

“Easy install and flawless performance.”
“Dropped a True Precision barrel into my Gen 4 and saw immediate accuracy improvement. Threads are clean, and the TiN finish pops!” – Kyle M.

“Top-tier machining.”
“Went with the Fortis barrel for my Gen 4 G19. Excellent quality, suppressor fits tight, and it cycles perfectly.” – Daniel S.

Glock 19 Gen 4 Barrel FAQs

Q: Will a Gen 4 Glock 19 barrel fit Gen 3 or Gen 5 frames?
A: No. Gen 4 barrels are designed specifically for the Gen 4 locking block and dual recoil spring system.

Q: What is the thread pitch for a Glock 19 Gen 4 barrel?
A: Standard threading is 1/2x28, compatible with most 9mm suppressors and compensators.

Q: Do I need a gunsmith to install these barrels?
A: No. All barrels on this page are drop-in fit and require no modifications.

Shop Glock 19 Gen 4 Barrels at Mounts Plus

From threaded and fluted to TiN-coated and match-grade, our selection of Glock 19 Gen 4 barrels is built for shooters who demand precision, reliability, and style.

⚙️ Gen 4-specific fitment
🎯 Match-grade rifling
🔧 Easy drop-in installation
🚚 Fast U.S. shipping

Order your Gen 4 Glock 19 barrel today and shoot with confidence.

Glock 19 Gen 4 Barrel – Threaded, Match Grade | Mounts Plus