14JulJuly 14, 2018 Replacing the factory Tikka Tac A1 Muzzle Brake (with the correct diameter) ozzie-admin2020-12-26T10:29:09+10:00The factory Tikka Tac A1 comes with a 338 diameter muzzle brake and I wanted something calibre specific for my 6.5 Creedmoor so I went for the Grizzly Gunworks from... By ozzie-admin6.5 Creedmoor, Accessories, Muzzle Brakes, Tikkachassis systems, grizzly, mil-spec, review, Rifles, ruger precision, Sniper, testing, Tikka, tikka t3x Read more...