True Precision P365XL 3.7in 9mm Threaded Drop-In Barrel

True Precision offers a drop-in replacement barrel engineered for the Sig Sauer P365XL series. Designed for the 3.7″ P365XL (also referenced for XMACRO and Tacops 3.7″ models), this match-grade barrel uses 416R stainless and broach-cut rifling to prioritize accuracy and reliable feeding. The barrel is threaded to accept muzzle accessories and ships with a thread protector for secure storage and transport.

Key Specifications

• The barrel is chambered in 9mm.
• The barrel measures 3.7 inches in length.
• Designed to fit Sig P365XL (including 3.7″ XMACRO & Tacops references in product text).
• Constructed from 416R stainless billet for durability and consistent performance.
• This is a drop-in match-grade barrel intended as an upgrade over OEM barrels.
• Features proprietary broach-cut rifling for consistent bullet stabilization.
• Threaded with 1/2×28 threads and includes a thread protector for accessory mounting.
• Finished with an 11-degree target crown to protect the bore and enhance shot-to-shot consistency.
• Includes an improved and widened feed ramp intended to increase reliability with hollow-point and defensive ammunition.

Engineered to deliver match-grade performance in a compact package, this True Precision barrel brings tighter tolerances and advanced machining to the Sig P365XL platform. Its combination of 416R stainless construction, broach-cut rifling, and threaded capability makes it suitable for everyday carry or competition setups where precise, reliable function is required.