CMMG’s PS90 SBR threaded barrel is constructed of 4150 chrome moly vanadium with chrome lining and a maganese phosphate coating. It is 10.4″ long and is chambered for FN 5.7x28mm caliber.
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Diamondback 9X1945M50B984NFR DB Barrel 9mm Luger 4.50″ Black Nitride 4150 Chrome Moly Vanadium Steel
$51.00
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