Check the listing for details. J&J Performance 16" Ceramic Barrel Dust Black Autococker Thread One Piece NEW. Color: Black, Condition: New. Listed at 64.95 USD. J&J Performance 16" Ceramic Barrel The New 16″ ceramic Barrel for the Autococker thread. Manufactured from 6061 T6 aluminum, this barrel is CNC machined to the highest quality standards in the industry. The Ceramic and Teflon impregnation reduces the friction rate to a minimum, while inducing a self-cleaning method. Being sold by reputable paintball dealer (PB Sports) Payment may be made by PayPal, MasterCard, Visa, Discover, or American Express. If you want to pay with credit card outside of Paypal, select credit card at checkout, then call us to arrange payment. FREE Standard Shipping! Upgrade to USPS Priority Mail for only $3.00 more! $9.95 for UPS Ground in 48 states. We Do Not Ship Outside the United States, sorry.