Ruger 10/22 Muzzle Brake INSTALLED on your .920 diameter ruger 10/22 barrel - Price Includes Installation and Brake - We install the Tactical Solutions muzzle brake which is specially designed for 22 Rimfire ammo... A very advanced design that steadies the muzzle so you can watch your hits or get back on target fast during rapid fire. Threads are 1/2 X 28 TPI. Its a precision installation, sealed with red Loctite to maintain alignment. - Please allow approximately 6-8 weeks for installation. Click Here to see all of our many other Ruger 10/22 Accessories!