JMac Customs AK-100 14.5in Rifle Barrel Black. 5in installed. This barrel with a pinned and welded muzzle device reduces the overall length of the rifle and reduces weight from the front end making it a better feeling more maneuverable firearm. This barrel will greatly reduce build and front end conversion time by taking barrel work out of the equation. Simply populate headspace then pin and permanently attach the muzzle device and you're done Specifications for JMac Customs AK-100 14.5in Rifle Barrel: Manufacturer: JMac Customs Color: Black Caliber: 7.62x39mm Barrel Material: Stainless Steel Package Contents: JMac Customs AK-100 14.5in Rifle Barrel JMac Customs BBL-7.62-14.5-14-CHF: AK-100 14.5in Rifle Barrel Black