YHM Phantom QD Muzzle Brake (from my YHM Resonator R2 purchase; .308 can) 5/8 x 24 Thread
&
YHM QD Hub adapter (can work with any hub mount suppressor with a 1.375x24 thread pitch)
Links:
https://yhm.net/accessories/phantom-q-d-muzzle-brakes-yhm-4302-mb/
https://yhm.net/sound-suppression/accessories-mounts/phantom-q-d-adapter/'
Located in Round Rock TX; F2F exchange only. Txt Max at 336-91two-1228