Zaffiri Precision match grade barrels offer the high quality performance you demand with an easy drop-in barrel upgrade. This replacement barrel is precision manufactured to the highest standards providing exceptional accuracy. Conventional rifling with a polished chamber and bore to perform well with lead, plated, and jacketed bullets. This barrel is ready-to-use and is a perfect replacement for your existing Glock barrel. FeaturesStress relieved and heat treated to RC 40-42Target crown and oversized lock up area.Fully supported chamber and improved feed ramp design 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.