Best Glock Barrels: Top 7 for Reliability & Accuracy
Even though the OEM Glock barrel with polygonal rifling is pretty damn good and will do the job for the average gun owner, there are two primary reasons to upgrade to an aftermarket Glock barrel.

First and foremost is accuracy.
Most shooters will never practice out past 25 yards with their pistols. But if you want to stretch the effective range of your pistol to 50 yards and beyond, you’ll need a good match-grade barrel.
A good-quality match-grade Glock barrel will consistently cut your groups in half at 50 yards.
The second reason is to have a threaded barrel for a suppressor or compensator.
If you’re thinking at all about adding a suppressor or comp to your Glock down the road, do yourself a favor and get a threaded barrel.
If you don’t want to constantly be buying and changing barrels, then getting a threaded barrel is a good idea. They also up the cool factor of your gun.
Let’s get into the Glock barrels that we’ve used over the years and recommend.
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