Enhanced for use with compensators, with slightly shortened thread and 45 degree flats for comp set screws.

Specification: 

• Handgun Type: 19
• Barrel Caliber: 9mm
• Barrel Profile: Drop In (Compatible with Glock Gen 1-5)
• Barrel Material: 4150
• Barrel Twist: 1:10
• Muzzle Thread: 1/2x28 TPI
• Crown: 11-degree Target Crown
• Rifling Method: Button Rifled, Fully Stress Relieved
• Rifling Type: Conventional 

DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.