Colt Canada ordered 151 of our 5.56 mm Vortex Flash Hider for the Canadian military on 1 Feb, 2013. The Vortex will go on the C-8 5.56 mm rifle. SEI is pleased to be one of Colt Canadas primary flash hider suppliers. More information on SEI's 5.56 mm Vortex Flash Hider can be found on the SEI website.