The JK Armament Threaded Barrel for the Glock 17 Gen 5 (brand part no. JKBBLG17) is a 9mm replacement barrel with 1/2-28 threads for running a suppressor or muzzle device. JK Armament designed its threaded barrels from the ground up for suppressor use, with a ramped breech block and a black nitride finish. The barrel is made of 416R stainless steel with a 1:10 twist, and JK recommends it with the JK 105 CCX or any suppressor of your choice. It is a straightforward upgrade for a Gen 5 Glock 17 that is going to wear a suppressor.

Key Specifications

• This barrel is sized for the Glock 17 Gen 5, the fit JK Armament lists for this option.
• Chambering is 9mm, matching the pistol it replaces.
• The muzzle is threaded 1/2-28, the common 9mm suppressor and muzzle device pitch.
• Material is 416R stainless steel, the steel JK Armament builds its threaded barrels from.
• Rifling has a 1:10 twist, a rate that suits the common 9mm bullet weights.
• JK Armament lists a ramped breech block as part of the design.
• The finish is black nitride, a hard surface treatment that resists wear.

Frequently Asked Questions

Which pistol does this barrel fit? This option is for the Glock 17 Gen 5, chambered in 9mm.

What thread pitch does it have? The barrel is threaded 1/2-28.

What is the barrel made of and how is it finished? JK Armament makes it from 416R stainless steel with a 1:10 twist, a ramped breech block and a black nitride finish.

Buy the JK Armament Glock 17 Gen 5 Threaded Barrel

A threaded barrel is the first step to shooting a Gen 5 Glock 17 suppressed, and this one was designed from the start for that job. Order it from our Lubbock, Texas gun shop for fast, direct shipping, and see more handgun barrels while you are here.