Send us your CZ Skorpion 9mm pistol barrel and barrel nut and we will machine down the first .50" of the 18x1 threads and re thread it in 1/2x28. Your OEM 18x1 threads behind it will be intact to secure the oem barrel nut. Return shipping and insurance charged at $16.99 for the barrel only. * We also re thread the barrel in 13/5 x1 LH.
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