b'HRT-556/762Initially designed for elite HRT units,Griffin Armaments HRT models are the toughest addition to the DUAL-LOK family of suppressors. Griffin utilized the DUAL-LOK active retention system with this suppressor, an often demanded feature by government customers. This, combined with generations of R&D, brought a compact, highly durable, low flash, and top performing suppressor to market. Designed for discriminating government end users, these compact suppressors met their mission requirements and are now available to consumers.'