This is a Ultradyne USA Brake known as the APOLLO chambered in 223 Remington, model UD10680.
APOLLO MAX sets the standard for performance by providing breakthrough recoil reduction and unparalleled muzzle compensation for those who refuse to settle for second best. Gases are strategically diverted away from the shooter and out of the shooters line of sight. Experience smooth" on-target recoil compensation in a competition-legal package. Minimum barrel length for the Apollo Max is 16". Like all Ultradyne muzzle devices" a timing nut is included for easy installation.
Features:
1/2X28 thread pitch
416 stainless steel
Nitride finish
Includes timing nut
