Zaffiri Precision match grade barrels for Sig SauerA(R) P365. 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. THREADED BARREL Threaded - 1/2 x 28 muzzle Thread protector is included Length: 3.77" NON-THREADED BARREL Threadless Flush & Crown length Length: 3" SPECS Fit: Sig S Mfg: Zaffiri