Glock Compatible Barrels are:

• 416R Stainless Steel
• 1:10 twist rate
• 6 RH grooves
• 9mm chambered per SAAMI-ANSI Z299.3-2015 for 9mm Luger/Luger P
• 11 degree target crown
• Hardened to 44Rc +/- and stress relieved
• Threaded barrels are all with 1/2-28 thread standard for 9mm
• Fits Gen 1-4, drop-in, no fitting required
• Precision threading for brakes, compensators and suppressors