The Zaffiri Precision Threaded Barrel for Sig Sauer P365XL in polished stainless (brand part no. BA-P365XL-TH-SS) is a match-grade replacement for the factory barrel in 9mm. It has a 1/2×28 threaded muzzle, with a thread protector included. The 416R stainless barrel is stress relieved and heat treated, and it has a polished chamber and bore for lead, plated and jacketed bullets. It carries a loaded chamber indicator notch. It is a straightforward drop-in upgrade for P365XL owners who want to run a threaded muzzle device.

Key Specifications

• It is made for the Sig Sauer P365XL in 9mm, with a drop-in fit.
• The muzzle is threaded 1/2×28, the common pitch for muzzle devices.
• A thread protector is included to cover the threads when no device is fitted.
• The barrel is 416R stainless steel, stress relieved and heat treated to RC 40-42.
• The rifling is broach cut with six grooves and a 1/10 left-hand twist, a twist direction that has nothing to do with left-hand pistols.
• It has a loaded chamber indicator (LCI) notch, a notch that lets you see or feel whether a round is chambered.
• The chamber is SAAMI spec and fully supported, with an improved feed ramp design.

Frequently Asked Questions

Does this barrel come with a thread protector? Yes. A thread protector is included for the 1/2×28 muzzle threads.

What bullets can I shoot through it? It has conventional rifling with a polished chamber and bore, and Zaffiri says it performs well with lead, plated and jacketed bullets.

Is it a drop-in barrel? Yes. Zaffiri describes it as an easy drop-in barrel upgrade for the P365XL.

Buy the Zaffiri Precision Threaded Barrel for Sig Sauer P365XL, 1/2×28, Polished Stainless

A threaded barrel is the first step toward running a muzzle device on a compact pistol. Order it from our Lubbock, Texas gun shop for fast, insured shipping and browse more handgun barrels.