TSD JBU Tight Bore Aluminum Inner Barrel, Fits WE 5.1 Hi-Capa & 1911 Series Gas Blowback Pistols, 4.42"

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The TSD JBU Tight Bore Aluminum Inner Barrel, Fits WE 5.1 Hi-Capa & 1911 Series Gas Blowback Pistols, 4.42" was built with people like you in mind. Something to keep you happy. Every. Single. Day.

Inventory Last Updated: Jul 28, 2025
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