The Kak Industry Plan B Universal Muzzle Device 1/2x28 delivers repeatable lockup and a proper seal between the muzzle device and Plan B suppressor adapter, thanks to its tapered design that transitions into threads. Made from 17-4 stainless with a nitride finish, this device weighs 1.6 oz and measures an overall length of 1 inch with an outside diameter of .895 inches, and its bore accommodates a universal size for versatile compatibility. Fully precision machined in-house, it features milled flats for easy installation at 13/16 inch and is engraved with the respective thread pitch for quick identification in the field or on the bench. Compatible with Plan B suppressor mounts, its optimized for 5.56x45mm NATO platforms and is designed for the 1/2x28 thread standard. For best results, Rocksett is recommended during installation and torque should be set to 20-25 ft-lbs to ensure a secure, reliable seal. While installing, its important to note that some suppressor manufacturers may not honor warranty claims if other brands muzzle devices are used with their suppressors, making compatibility and proper installation paramount for consistent performance.