5 Best Glock 19 Threaded Barrels

If you want to add a compensator, suppressor, or to build your dream Glock slide. Here are the 5 best Glock 19 threaded barrels on the market.

There are so many options out there, and we are only listing the top 4 based on design, accuracy, compatibility, and price.

Disclosure: All products have affiliate links for earning commission to support the website when you purchase

*Note: Selected barrel may not be legal in all 50 states, please check your local gun laws before purchasing

Killer Innovation Velocity - Best Overall

Killer Innovations Velocity Glock 19 Threaded Pistol Barrel, Black, GLKBT179DLC

The Killer Innovation Glock 19 threaded barrel (MOD 2) is by far the best on our list. The one feature that we love the most is the indents to index to lock up a compensator using set screws.

The barrel features an 11° target crown for greater accuracy and it's coated with high quality finishes that matches a custom or stock Glock.

It pairs up great for most set screw Glock 19 9mm compensators. (Highly recommend the Killer Innovations Comp)

Caliber - 9mm

Thread Pitch - 1/2-28 (Suppressor & Compensator ready)

Twist Rate - 1:10 / Single Point Cut with “SPT” Technology

Length - 4.5"

Weight - 3.29 oz

Barrel Material - 416R stainless steel

3 Color Options - Grey, Black & Gold

Faxon - Best Price

Faxon Firearms G19 Barrel, Compact, Gen 1-4, 9mm SAAMI, 4150 QPQ, Threaded Barrel, Black Nitride, GA910N19NGQ-T

This match grade Glock 19 is the best for the money. Faxon makes in house 416R stainless steel barrel with black nitride or PVD coating to increase  barrel life, lubricity, and wear resistance.

All barrels are conventionally rifled to allow a wider range of ammunition to be used, including cast lead. Tighter lock up tolerance makes it a way better barrel than Glock OEM to shoot more accurately and consistently.

Caliber - 9mm

Thread Pitch - 1/2-28 (Suppressor & Compensator ready)

Twist Rate - 1:10 with button rifled fully stressed relieved

Barrel Material - 4150 stainless steel

True Precision - Best Design

True Precision Glock 19 Threaded Barrel, 1/2x28, Gold TiN, TP-G19B-XTG

This is a fully supported SAAMI spec 9mm chamber drop in barrel for Glock 19, and it also works for Glock 19X and Glock 45.

The added chamfers, improved radius cuts, and tighter lockup tolerance are similar to other aftermarket Glock barrels than OEM barrels.

The broach cut 6 groove rifling allows for all ammo types to be used safely, including cast lead

Caliber - 9mm

Thread Pitch - 1/2-28 Right hand (Suppressor & Compensator ready)

Twist Rate - 1:10 with button rifled fully stressed relieved

Barrel Material - 416R stainless steel

7 Color Options - Stealth Grey, Black DLC, Gold TiN, Black Nitride, Stainless Steel, and more

Silencer Co - Best Corrosion Resistant

SilencerCo Threaded Barrel For Glock 17L, 9mm, 6.5 Inch Barrel, .5x28 Threads, Black Nitride Finish, AC861

Silencer CO makes top quality suppressors, and this is their company branded barrel for SilencerCO suppressor users. It features similar specs as other barrels and it's priced very reasonably without breaking the bank.

Yes, it has a tighter lockup tolerance that work with stock Glock slide or custom slides to ensure accuracy.

Caliber - 9mm

Thread Pitch - 1/2-28 Right hand (Suppressor & Compensator ready)

Twist Rate - 1:10 with button rifled fully stressed relieved

Barrel Material - 416R stainless steel

7 Color Options - Stealth Grey, Black DLC, Gold TiN, Black Nitride, Stainless Steel, and more

Lone Wolf Alpha Wolf - Best Conversion Selections

Lone Wolf Arms Glock 17 9mm Barrel, Raw Stainless, LWD-17TH

Lone Wolf offers similar specs Glock 19 barrels as other brands, but one thing they offer more than anyone else is their conversion barrel for people who wants to shoot different calibers out of their Glock 19 frame.

The fluted barrel design reduces weight and dissipate heat much faster than OEM barrels.

Caliber - 9mm

Thread Pitch - 1/2-28 Right hand (Suppressor & Compensator ready)

Twist Rate - 1:10 with button rifled fully stressed relieved

Barrel Material - 416R stainless steel


FAQ

Why Replace OEM Barrel?

Most people who replace the OEM Glock 19 barrel are for the following reasons:

  • For mounting a suppressor
  • For adding a compensator
  • Improve aesthetics
  • Tighter lockup to increase accuracy (more optimized twist rate)
  • Use button rifling barrel to shoot other ammo type that hex rifling barrels can't

Button Rifling VS Original Glock Polygon Rifling ?

The original Glock hex rifling barrels work well for general purpose use and self defense.

Button rifling barrel allows Glock 19 users to shoot 

Difference Between Gen 4 and 5 Barrels?

Gen 5 Glock 19 uses the new Glock Marksman Barrel (GMB). In another word, it means rifled barrel with a match crown. 

Glock 19 Barrel Interchangeability 

  • Glock 19 Gen 3 works with Glock 19 Gen 4
  • Glock 19 Gen 5 barrel doesn't work with Glock 19 Gen 3 or 4 

Fluted VS Non Fluted Barrel?

Fluted barrel design looks slick and it does the following:

  • Reduces barrel weight
  • Improved heat dissipation
  • Look slick
  • No impact on overall accuracy

There are many fluted barrel design:

  • Spiral flutes
  • Straight flutes
  • Diamond flutes
  • Bear claw, and more

Who Makes The Best Glock Barrel?

There are so many great Glock barrel brands on the market. The ones we haven't covered above are:

  • ZEV
  • KKM
  • Agency Arms
  • L2D
  • CMC
  • Radian Arms
  • Griffin Armament
  • Grey Ghost

Most of them are 416R stainless steel barrels with excellent corrosion resistant performance. Generally a cheaper barrel is made with carbon steel.

Does A Glock 19X Threaded Barrel Fit Glock 19? 

A Glock 19X threaded barrel will fit inside a regular Glock 19 and Glock 45. They are basically the same gun besides grip sizes.

Are Glock 19 Barrel The Same As Glock 17?

A 9mm Glock 19 barrel is different than 9mm Glock 17. 

A Glock 17 barrel does not fit in a Glock 19 due to locking lug dimension differences.

Can Glock 19 Accept Conversion Barrel?

Of course! Glock 19 can accept compatible conversion barrels to shoot 357 Sig, 40SW, and .960 Rowland.

Best options are Lone Wolf, Bar-Sto or KKM.

The only thing the user need to swap accordingly is the ejector size. Please test them to make sure the ejector can reliably grab onto the lip of the shell casing.