Designed to fit Plan B type bipods, ensuring a reliable and secure attachment for firearm accessories. Follow setup instructions meticulously for optimal performance and safety. Use an alignment rod to verify correct system alignment. Clean all surfaces thoroughly before installation to remove debris or residue. Torque the muzzle device to approximately 30 ft-lb and secure it to the barrel using Rockset for a robust connection. Note - using this product on a Q can will void your warranty. Ensure the muzzle device is squarely positioned against the barrel shoulder during installation. Double-check that threads and tapers are clean when attaching the silencer to prevent misalignment. Torque the suppressor to 10 ft-lb for a secure fit. Proper alignment is essential for effective operation and to avoid potential damage. The nitride finish enhances the seal, contributing to a tighter and more reliable connection. Correctly torque and Rockset the muzzle device to the barrel to enjoy the full benefits of your setup with confidence and peace of mind. Engineered for barrels exceeding 3/4 inches in diameter, yet compatible with smaller barrels as well 17-4 PH H900 with a black nitride finish Compatible with Atlas and Atlas XL Compatible with Plan B The Atlas adapter has exceeded its limit by approximately 1.05 inches Atlas XL adapter does not experience overrun