Sig Sauer Parts Kits for Sale

Founded: 1976

HQ: Switzerland and Germany

SIG Sauer, Inc. of the United States established its Parts Kits footprint with factory Caliber X-Change Kits for the modular P250 in 2007 and broadened it in 2014 with the P320, with ongoing OEM support for P‑Series conversions and select rifle/PDW accessory kits. Built around SIG’s serialized fire-control unit, these kits bundle complete slide, barrel, and recoil assemblies with the correct magazines to enable plug-and-play caliber and size changes across its modular handguns.

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