*We do not make any adapters or muzzle devices with proprietary thread forms or left-hand external threads (OSS/HUXWRX, Dead Air Xeno, etc), muzzle devices with secondary retention features (AAC 18/51/90T, SiCo ASR, Surefire, etc), any type of over barrel/reflex adapter or muzzle device, nor any mounts or muzzle devices with 22, 24 or 26mm threads.