The TBAC DOMINUS-SR is a high-performance hard-use/full-auto 5.56 and .30 caliber titanium suppressor. Delivers full-auto durability, lightweight titanium construction, best-in-class repeatability and accuracy, and suppression similar to the Ultra series. 6.95 inches long, 1.8 inches diameter, 12.5 oz. Features the SR quick-attach/detach mount with secondary retention. Rated to survive at least 10 cycles of the SOCOM/SURG firing schedule. Equally at home on a precision bolt rifle or a MK18 in CQB. Note: If this product is reflected as in-stock it means it's either physically in-stock or allocated and available (serial number is assigned) at my distributor