Agency Arms Premier Glock 17 Gen 3 / 4 Barrel DLC - Free Shipping
Blemished Agency Arms High Polished Premier Line Match Grade Drop-In Barrel (compatible with Glock® 19 Gen 1-4) - Agency Arms | Welcome to the Brotherhood
Zev Technologies Optimized Barrel for Glock 17 Gen 1-4, DLC | NDZ Performance
VELOCITY BARREL FOR GLOCK 19 - Killer Innovations
7mm Prefit Barrels All Actions, Button Rifled - Patriot Valley Arms