BCA 9mm conversion barrels for OEM Glock 19 handguns are manufactured by Bear Creek Arsenal in Sanford NC, USA. Durable and highly accurate, our Glock 19 Rose Gold Finish replacement barrels are backed by our limited lifetime warranty. 4150 Rose Gold Barrel 1:16 Twist 9 MM Caliber Mid Length Threaded Unbranded Our BCA barrels for Glock are compatible with Glock Gen 1-4 pistols (not Gen-5). Thread Protector sold separtately: https://www.bearcreekarsenal.com/guns-parts/thread-protector.html ALL NFA LAWS APPLY {{widget type="Magento\Cms\Block\Widget\Block" template="widget/static_block/default.phtml" block_id="42"}}