The SIG SAUER P365-XL / P365-XMACRO 9MM THREADED BARREL LCI 4.3" is a factory replacement upgrade built for shooters who want to run a compensator or suppressor on their P365 platform without giving up OEM fit and function. Designed and tested by SIG SAUER, this barrel is purpose-built for 9mm pistols using the 3.7 inch slide assembly found on the P365-XL and P365-XMACRO non-comp models.

With its 1/2x28 RH threaded muzzle, this barrel is ready for common 9mm muzzle devices and includes a thread protector cap for use when no compensator or suppressor is installed. The barrel also features the factory loaded chamber indicator (LCI) witness hole, making it a strong choice for shooters who want to retain factory-style functionality while adding suppressor or compensator capability.

Finished in black Nitron and specially heat-treated for toughness and durability, the SIG SAUER 8902058 gives P365 owners a clean, factory-correct way to add threaded-barrel capability to their carry, range, or defensive setup. SIG also notes compatibility with certain P365-X configurations, where the barrel will protrude farther on 3.1 inch slides, and states that this barrel is not compatible with the P365-FUSE slide assembly.

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Handguns | SIG SAUER