Glock G19X in case

Best Aftermarket Glock 19 Threaded Barrels

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Suppressors are one of the best attachments you can add to any firearm. It automatically adds intimidating coolness that even non-gun owners can recognize. People can immediately recognize it from a favorite movie or TV show and will get the idea that you mean business. However, you need to look for an aftermarket threaded barrel first before adding a suppressor or any muzzle attachment to your Glock 19.

If you’re already shopping around for the best Glock 19 threaded barrels, then we’ve got you covered. We have listed the best Glock 19 threaded barrels to help you with your next purchase.

Top 3 Best Glock 19 Threaded Barrels

Best Overall
SilencerCo Glock 19 Threaded Barrel
  • Hyper resistant to surface wear, corrosion, and rust
  • Made from high quality 416R stainless steel
  • Comes with a thread protector
  • Only compatible with Glock 19 Generations 3 and 4
$125 Shop NowClick to read my review
Faxon Firearms Threaded Glock 19 Barrel
  • Compatible with all Glock 19 generations
  • Drop-in machine perfect fit
  • Made for superior accuracy
  • Thread protectors sold separately
$135 Shop NowClick to read my review
Lone Wolf Distributors Alpha Wolf Glock 19 Threaded Barrel
  • Can handle the highest grain bullets in the market without issues
  • Fluted body dissipates heat quickly
  • Made from durable 416R stainless steel with a Salt Bath Nitride finish
  • Expect to break your budget on this barrel
$155 Shop NowClick to read my review

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Why threaded barrels?

Best Glock 19 Threaded Barrels
Lone Wolf Alpha Glock 19 Threaded Barrel from Brownells

Regardless of whether you plan to purchase a suppressor, threaded barrels are an excellent upgrade to any tactical handgun. Additionally, threaded barrels allow you to attach breaching muzzles, which increases the muzzle velocity of your bullets and adds a major “cool factor” to your handgun.

Do I need to Buy a Suppressor?

Buying a threaded barrel doesn’t mean you have to immediately purchase a suppressor. However, most gun owners who bought threaded barrels for their Glock 19 do so to attach a suppressor with it. Unfortunately, you can’t attach a suppressor to a Glock 19 out of the box. So aftermarket threaded barrels are the only option.

It’s a common misconception that suppressors are reserved for special forces or tactical applications. But in reality, the most compelling reason to get a suppressor for your handgun is to lessen the amount of noise it makes when firing.

Although suppressors cannot completely erase the sound of a gunshot, they significantly reduce it. When it comes to self-defense at home or any other type of indoor shooting, this is a huge advantage.

Downsides of Threaded Barrels

Threaded barrels have a few limitations, but overall they’re still useful. However, a threaded barrel will increase the overall length of your weapon. Because of this, your Glock 19 won’t be compatible with as many holsters as it would otherwise be. If you have holsters with closed bottoms, automatically assume they will no longer fit with a threaded barrel Glock 19.

The good news is, thanks to the Glock system, threaded barrels have become a simple drop-in installation. This means you can switch out a regular barrel with a threaded barrel in as little as 30 seconds. Also, if you don’t really plan to use a suppressor or any other kind of muzzle device with your Glock 19, then maybe you don’t really need to buy a threaded barrel after all.

Buyer’s Guide to the Best Glock 19 Threaded Barrel

Before heading out to a gun shop or adding some items to your cart online, take a quick read of the most important factors to consider when looking for a new Glock 19 threaded barrel.

Durability

Best Glock 19 Threaded Barrels
Image source: UN21 Magazine

If you want your handgun to serve you well for many years, you need to invest in a well-made threaded barrel. The best Glock 19 threaded barrels have a 416R stainless steel build covered with a corrosion-resistant coating like nitride for optimum performance. However, if you’re working on a tighter budget, then getting a carbon steel Glock 19 barrel will save you a lot of money.

Compatibility

Best Glock 19 Threaded Barrels
Image source: Eagle Gun Range

This is probably the most important thing to consider with Glock 19 parts in general. Not all Glock 19 threaded barrels are designed to work with all generations of the Glock 19. Most threaded barrels are interchangeable between Glock generations. However, you’ll inevitably run into some that aren’t. For example, some barrels might be compatible with Glock 19 Gen 3 and 4 except for the Generation 5 models.

In addition to being compatible with your specific Glock generation, your barrel should also be compatible with any additional attachments you want to add to it. Be sure your threaded barrel is compatible with your intended suppressor or muzzle brake if you’re thinking about installing one to your Glock.

Accuracy

Of course, at the bare minimum, your new threaded barrel should be as accurate, if not, more accurate than the factory Glock 19 barrel. Make sure to look for a threaded barrel with a 1:10 twist rate, which is ideal for the 9mm rounds.

Top 3 Best Glock 19 Threaded Barrels

SilencerCo Glock 19 Threaded Barrel: Best overall.

Silencerco Glock 19 Threaded Barrel

The SilencerCo Glock 19 Threaded Barrel features a high-quality 416R stainless steel build. It’s also known for its incredible durability and hyper resistance to weathering and corrosion. And if that isn’t enough for you, SilencerCo offers another version with a black nitride top coat for an additional layer of corrosion protection. Although the stainless steel adds a nice silver highlight, the black nitride barrel matches better with the Glock 19’s original black finish.

Silencerco Glock 19 Threaded Barrel

The SilencerCo 9mm barrels have 1/2×28 threads and are only compatible with Glock 19 generations 3 and 4. If you own an earlier generation or the newer generation 5 Glock 19s, consider a different barrel on our list. When your muzzle attachment is detached, the Silencerco provides a thread protector. It keeps the naked threads intact and gives your Glock 19 a neater look without having to swap out barrels.

Also, this threaded barrel provides all of this without skimping out on accuracy. Many owners claim improved groupings when shooting with the Silencerco barrel vs the factory Glock 19 barrel.

Pros
  • Hyper resistant to surface wear, corrosion, and rust
  • Made from high quality 416R stainless steel
  • Expect improved accuracy
  • Comes with a thread protector
Cons
  • Only compatible with Glock 19 Generations 3 and 4
  • The nitride version isn’t very budget-friendly

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Faxon Firearms Threaded Glock 19 Barrel: Best budget pick.

Faxon Firearms Threaded Glock 19 Barrel

If you’re looking for a high-performing threaded barrel, then check out the Faxon Firearms Threaded Glock 19 Barrel. Machined from triple stress-relieved 4150 carbon steel, this barrel is guaranteed to be reliable and can handle extremely high temperatures.

The Faxon Firearms barrel comes in a hard black nitride finish for premium rust, corrosion and surface wear resistance. It’s also muzzle threaded at 1/2″-28, giving it great compatibility for most standard muzzle attachments.

The Faxon G19’s machine milled barrels will fit tighter than the Glock 19’s factory barrel. This near-perfect fit combined with a 9mm optimized 1-10″ twist rifling. You should expect better accuracy and overall performance from this threaded barrel upgrade. Also, this barrel is universally compatible with Glock 19 generations 1-5.

Pros
  • Compatible with all Glock 19 generations
  • Drop-in machine perfect fit
  • Made for superior accuracy
  • Machined from triple stress-relieved 4150 carbon steel for maximum durability
Cons
  • Thread protectors sold separately
  • Expensive

Lone Wolf Distributors Alpha Wolf Glock 19 Threaded Barrel: Best value.

Lone Wolf Distributors Alpha Wolf Glock 19 Threaded Barrel

Lone Wolf’s reputation in the Glock space precedes them. Year after year, they consistently outsell all other distributors of aftermarket Glock components.

The company manages to deliver this same world-class consistency and reliability in their Alpha Wolf Glock 19 threaded barrel. Made from heat-treated 416R stainless steel, this weather-resistant barrel sports a premium salt bath nitride coat for even better durability and wear resistance.

Best Glock 19 Threaded Barrels

One thing you’ll notice is the body of the barrel on the Alpha Wolf Glock 19 is fluted. This ingenious design helps dissipate heat faster, ultimately removing the risk of your barrel overheating. Additionally, this barrel sports a design that can withstand even the highest grain 9mm in the market, including 147 grain and +P self-defense loads.

All of this while maintaining accuracy. And if that’s not enough to sell you on this barrel, this drop-in barrel is also compatible with all Glock 19 generations making this a worry-free purchase.

Pros
  • 100% built in the US
  • Can handle the highest grain bullets in the market without issues
  • Fluted body dissipates heat quickly
  • Made from durable 416R stainless steel with a Salt Bath Nitride finish
  • Comes with thread protector
Cons
  • Expect to break your budget on this barrel

Our Pick

Without breaking the budget, the Silencerco Glock 19 Threaded Barrel is an excellent option for your Glock 19 barrel. It’s made of 416R stainless steel with a black nitride coating that provides exceptional corrosion and rust protection. The Silencerco, despite its high price and limited compatibility with Glock’s Generation 3 and Generation 4, is capable of delivering greater accuracy than a Glock 19 factory barrel.

However, if you’re looking to go all-out, then there’s no beating the Lone Wolf Distributors Alpha Wolf Glock 19 Threaded Barrel

Wrapping Up

If you want to add a suppressor with your handgun, you’ll need to modify your Glock 19 with a threaded barrel. Any of the threaded barrels we’ve listed above will work great with your Glock 19. You can also check out our buyer’s guide if you decide to go on a different route for an aftermarket threaded barrel.

Just remember to double-check the compatibility of the threaded barrel with your generation of Glock 19 and choose the one that works best for you.

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