Grab the perfect flash hider for your next AR-15 build! This bird cage flash hider is manufactured by Bear Creek Arsenal in North Carolina from 4150 Steel and parkerized for maximum durability. .223 Wylde / 5.56 Nato / .22LR / .22M / .17HMR Features 1/2x28" TPI Includes crush washer {{widget type="Magento\Cms\Block\Widget\Block" template="widget/static_block/default.phtml" block_id="42"}} It is the responsibility of the consumer to ensure all state, local, federal, and ITAR regulations are followed