This Glock Bloodline barrel is designed to work with Glock 17 pistols, generations 1 through 4. Although this is a simple to accomplish user friendly swap, they still encourage you to consult a local gunsmith should you have any questions about installation. This barrel is rated for use with SAAMI approved, factory new ammunition. The Rosco Manufacturings line of Glock barrels are a drop-in, match grade option that enhances the accuracy and performance of any stock Glock pistol. All Bloodline Glock barrels are made from 416R stainless steel, broached, honed, polished, and then melonited.

Features :

• "4.49" Over All Length"
• 416R Stainless Steel, Melonite Finish, Nitride Black
• 1:10 Twist
• Fits Glock 17, Gen 1 - 4