Huxwrx 1677 QD 556 Flash Hider Black with 1/2"-28 tpi Threads, 2.30" OAL & 1.20" Diameter for 5.56x45mm NATO AR-Platform
http://www.tandktactical.com/shop/706433763016-huxwrx-1677-qd-556-flash-hider-black-with-1-2-28-tpi-threads-2-30-oal-1-20-diameter-for-5-56x45mm-nato-ar-platform-21360
http://www.tandktactical.com/web/image/product.template/21360/image_1920?unique=3eacf45
OSS QD Flash Hider and suppressor mount compatible with HX-QD 556k, HX-QD 556, HX-QD 762, and HX-QD Magnum Ti suppressors.
