Zaffiri Precision match grade barrels for Sig Sauer P320C. High quality performance you demand with an easy drop-in barrel upgrade. his replacement barrel is precision manufactured in the USA 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 Sig barrel.Features :This PORTED Barrel is compatible only with ZPS.4, ZPS.5, and ZPS.P slidesFit: Sig P320c Compatible - Drop in fit - 9mmSAAMI Spec chamberQuality: 416R Stainless SteelRifling: Broach Cut - 6 GrooveTwist: 1/10Stress relieved and heat treated to RC 40-42