LYMAN SONICORE REKKR-OB 5.56 NATO/223 REMINGTON RIFLE SUPPRESSOR The Rekkr OB is a direct thread overbarrel suppressor, meant for higher volume shooting, with a lightweight and modular design machined from 6026-T9 Aluminum and 303 Stainless Steel, and finished with black, non-glare, Mil Spec Hard Coat Anodize. The modular design allows the user to shorten the can when compactness ranks higher than suppression. The walls of the Rekkr are thicker than the Paradox to allow for maximum durabilty under enhanced fire schedules. The Rekkr is kept fairly lightweight through using aluminum baffle modules in combination with 303 stainless steel baffle inserts to create a steel &ldquo Mfg: Lyman