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The Dead Air DA405 Ghost Piston Low Mass Piston .578x28 Nitrided.\n\nType: Piston Mount\nModel: P-Series\nSize: .578x28\nThread Pattern: .578" x 28\nFinish: Nitrided\nSKU: ACC-DAIR-DA405\nMfg. Part Number: DA405\nUPC: 810128161091\nCaliber/Gauge: N/A\nThreaded Barrel: No\nManufacturer: Dead Air\nIn Stock and not available to ship to California.
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