BCA 9mm conversion barrels for Glock 17 handguns are manufactured by Bear Creek Arsenal in Sanford NC, USA. Durable and highly accurate, our Glock 17 Premium Rose Gold Nitride finish unthreaded replacement barrels are backed by our limited lifetime warranty. 4150 Premium Rose Gold Nitride finish 1:16 Twist 9 MM Caliber Full Length Unthreaded Unbranded Our BCA barrels for Glock are compatible with Glock Gen 1-4 pistols (not Gen-5). ALL NFA LAWS APPLY {{widget type="Magento\Cms\Block\Widget\Block" template="widget/static_block/default.phtml" block_id="42"}}