Sig Sauer
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The Sig Sauer P365 FUSE 4.3" barrel is a factory-fit replacement/upgrade barrel engineered for the P365 FUSE 4.3" slide and Cal-X conversion kits. Machined for 9mm performance and finished in a durable black coating, this non-threaded barrel includes an integrated Loaded Chamber Indicator (LCI) for a quick visual/tactile round-present status. Built to OEM tolerances, it provides the same chamber dimensions and reliability shooters expect from Sig Sauer, making it an easy swap when refreshing a FUSE slide assembly or completing a Cal-X X-Change build. Ideal for owners who want OEM fit, consistent ballistics, and the extra safety cue of an LCI without changing their pistol’s external profile.
8901749-Sig Sauer
798681708048
8901749
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