Shadow Systems 9mm Barrel Thread Protector for Glock Pistols: MGW
Custom Thread Protector | Best Glock Accessories | GlockStore.com
Double Diamond Thread Protector | Best Glock Accessories | GlockStore.com
Thread Protector - HYVE Technologies
Glock™ Barrel - 19 with Lone Rifling™
IGB Austria Barreltechnology - IGB Thread Protector - Black
1/2x28" Thread Protector
Custom Thread Protector | Best Glock Accessories | GlockStore.com
Glock OEM Threaded Barrel 9MM Fits Glock 19 Gen 4 Black Finish M1/2X28 RH Threads Thread Protector Included 47739 – Black Wolf Supply
Amazon.com : Lethal-Eye Glock Barrel Thread Protector 1/2x28 Black 9mm 357 Sig 11mm Length, fits Lone Wolf and Other Threaded Barrels : Sports & Outdoors
Salient Arms International - Salient Arms International Tier One work on the Glock 17 pistol, SAI match/box fluted/threaded barrel with convex thread protector, and Salient BLK (Edged Weapon). @ssv_media | Facebook