Liberty Precision Machine Mach-K, Suppressor, 30 Caliber, Titanium Baffles, 5/8X24 Direct Thread Mount, 5.65 Long, 1.74 Diameter, 8.2 OZ with Mount, Cerakote Finish, Black LPM-10017 The Mach series of .30 caliber rifle silencers is an evolution of the original Anthem series silencers from Liberty Precision Machine LLC. With lessons learned through the development of Liberties other product lines, they have refreshed the baffle stack to achieve better performance. The Mach series of silencers has an identical baffle stack to the Anthem 2 series, just in Titanium.