Liberty Precision Machine Anthem-L2, Suppressor, 30 Caliber, Rearden Atlas Mount, 9.6 Long, 1.74 Diameter, 20.4 OZ with Mount, Cerakote Finish, Black LPM-10016 The Anthem 2 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 other product lines, Liberty has refreshed the Anthem baffle stack to achieve better performance, lighter weight, and an even lower price.