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

No. Glock 19 Gen 3 barrels are designed specifically for Gen 3 frames and are not compatible with Gen 4 or Gen 5 models due to internal differences.

Do I need a gunsmith to install a Glock 19 Gen 3 barrel?

No. All barrels sold on this page are drop-in fit for Glock 19 Gen 3 slides and frames. No modification or gunsmithing is required.

Glock 19 Gen 3 Barrel – Threaded, TiN, Match Grade

Name: Glock 19 Gen 3 Barrel
Brand: Mounts Plus

**Ra Barrel For Glock 19 Gen 3/4 V1 Blk** $179.99

**Ra Barrel For Glock 19 Gen 3/4 V1 ThreadedBlk** $199.99

**Radian Aftrbrnr Ramjet G19 Gen 3 Brnz** $416.98

**Grey Ghost Precision Match Grade Barrel Stainless 9mm 4.5" Barrel for Glock 19 Gen 3 / 4** $182.39

**Grey Ghost Precision Match Grade Barrel 9mm 4.52" Barrel Threaded for Glock 19 Gen 3 / 4** $182.39

**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 Duty Barrel for G19 Gen 1-5, QPQ Nitride, 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 - Black Nitride** $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 - TiN (Gold)** $208.95

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

**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

**Noveske Barrel For Glock 19 G1-5 ThreadedBlk** $282.53

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

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

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

**Rosco Bloodline Barrel For Glock 19 Thrdd** $165.29

**True Precision Barrel For G19 Spec Tb** $189.99

Glock 19 Gen 3 Barrels – Threaded, Fluted & Match-Grade Options

Give your Glock 19 Gen 3 the upgrade it deserves with a high-performance aftermarket barrel. Whether you’re building a suppressor-ready pistol, improving your accuracy, or customizing your EDC setup, we offer a wide selection of Glock 19 Gen 3 barrels designed for precision, compatibility, and reliability.

At Mounts Plus, you'll find drop-in barrels from industry leaders like Faxon, Grey Ghost Precision, Backup Tactical, True Precision, and Fortis—all engineered to deliver match-grade performance and flawless fitment with Gen 3 Glock frames.

Why Upgrade Your Glock 19 Gen 3 Barrel?

A quality barrel upgrade offers more than just looks—it enhances performance and adaptability. Here’s why shooters trust aftermarket Glock 19 Gen 3 barrels:

✅ Threaded Options (1/2x28) – Ready for suppressors, comps, and thread protectors
✅ Fluted or Ported Designs – Reduce weight and manage gas flow for better control
✅ Match-Grade Rifling – Improved accuracy for defensive or competition shooting
✅ Drop-In Fit – No gunsmithing needed for Gen 3 Glock 19 frames
✅ Durable Finishes – Choose from Black Nitride, TiN (Gold), FDE, and OD Green

Featured Glock 19 Gen 3 Barrel Options

Brand	Type	Finish	Threaded	Price
Faxon Duty & Match Series	Fluted / Flame Fluted	Black Nitride	Yes/No	From $93.69
Backup Tactical	Threaded	Black, FDE, OD Green	Yes	$167.42
Grey Ghost Precision	Match Grade	Stainless / Threaded	Yes/No	From $172.79
Fortis	Match w/ Lone Rifling	TiN, Black, Copper, MDC	Yes	$208.95
True Precision	Match, Spiral Fluted	DLC / TiN	Yes	$189.99
Noveske & Rosco	Threaded	Black Nitride	Yes	$156–$282

All barrels listed are drop-in fit for Gen 3 Glock 19 frames and compatible slides.

Choosing the Right Barrel for Your Build

Here’s how to pick the best barrel for your Gen 3 Glock 19:

🔧 For suppressor use → Choose a threaded barrel (1/2x28)
🎯 For maximum accuracy → Go with match-grade rifling
🛡️ For everyday carry → Pick a non-threaded, flush-fit barrel
🎨 For custom builds → Select a TiN, OD Green, or FDE finish

Need help choosing? Our team is here to guide you through your Glock 19 Gen 3 build.

Customer Reviews

“Perfect fit and function.”
“Installed the Backup Tactical barrel in minutes—runs smooth, looks great, and suppressor threads were spot-on.” – Eric D.

“Accurate and cool-looking.”
“The TiN finish on the Fortis barrel is stunning. It shoots flatter than my stock barrel and really stands out.” – Lance W.

Glock 19 Gen 3 Barrel FAQs

Q: Will a Glock 19 Gen 3 barrel fit Gen 4 or Gen 5 frames?
A: No. Gen 3 barrels are designed specifically for Gen 3 slides and frames. Gen 4 and Gen 5 models have internal differences that require their own barrels.

Q: What thread pitch do Glock 19 Gen 3 barrels use?
A: Most threaded barrels for Glock 19 Gen 3 use a standard 1/2x28 thread pitch, compatible with common 9mm suppressors and compensators.

Q: Do these barrels require fitting or gunsmithing?
A: No. All barrels listed are drop-in fit for Glock 19 Gen 3 and do not require any modification.

Shop Glock 19 Gen 3 Barrels at Mounts Plus

Whether you're building a tactical pistol or simply improving your stock setup, our collection of Glock 19 Gen 3 barrels is engineered for shooters who demand reliability, accuracy, and performance.

✅ Built for Gen 3 Glock 19
🧩 Suppressor-ready and match-grade options
⚡ Fast U.S. shipping
🔒 Trusted brands only

Browse our selection today and upgrade your Glock 19 Gen 3 with confidence.

Glock 19 Gen 3 Barrel – Threaded, TiN, Match Grade | Mounts Plus