The Rival Arms for Glock 48 Barrel is designed to provide improved accuracy over your factory barrel. The match-grade barrel is built from high-quality 416R stainless steel. The drop-in design means no gunsmith is required prior to use. It also receives a low-temperature PVD coating for a durable barrier to wear and tear. This barrel also receives a BORSLICK inner bore treatment to resist heat and carbon buildup. The result is a barrel that rivals custom work and delivers the best accuracy and performance.