Glock 20 Barrel

glock 20 barrel is not eligible for Export due to ITAR regulations.

Genuine OEM Glock replacement barrel. Barrel rifling has hexagonal profile with right hand twist. 6.02 inch – 153mm length. Fits M/20. Part number 15 on the Glock Schematic.

Since Glocks are known for their unparalleled quality, the idea of spending money on an aftermarket barrel might seem strange.  After all, Glock has carefully designed all their working parts to provide maximum performance.

And while Glock’s reputation for top performance is well earned, their barrels do have one limitation: lead bullets.

Glock 20 Conversion Barrel

Like Glock, a handful of other companies also use polygonal rifling.  However, Glock is the only manufacturer that warns against shooting lead bullets, as it could cause a buildup when paired with this type of rifling which the company warns could lead to safety hazards

Most shooters looking for an aftermarket Glock barrel aren’t doing it for the sole reason of shooting unjacketed rounds.

Glock 20 Threaded Barrel

While lead ammo is a nice perk to having an aftermarket barrel more often than not, people interested in replacement barrels for their Glock are more concerned with competition grade barrels that can help them increase their accuracy when squeezing off rounds.

Many competitive swear by these match grade aftermarket Glock barrels when using premium ammunition.

Furthermore, the general consensus is that average quality ammo tends to fire better in an OEM barrel than an aftermarket one.  So make sure to keep that in mind when deciding whether you want to swap out your Glock barrel or not.

Without further ado, let’s take a look at some popular aftermarket barrels that can upgrade the accuracy of your Glock.