Zaffiri Precision GLOCK 19 Gen 3 Complete Upper with Threaded Barrel - Multicam Black/Gold

Zaffiri Precision Glock 19 Gen 1-5 Threaded Barrel 9mm Stainless

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Zaffiri Precision Glock 17 Gen 5 Threaded Barrel 9mm Stainless

True Precision Glock 17 Barrel 9mm Threaded Stainless No Front Sights

DMA Inc. Threaded Match Barrel for Gen 1-5 Glock 19 Pistols - 1/2x28 - Gold TiN

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DMA Inc. Threaded Match Barrel for Gen 1-5 Glock 19 Pistols - 1/2x28 - Stainless Steel