AO Titanium Full Port Muzzle Break: Ruger Precision Rifle 6.5 Creedmoor Our RPR Full Port Muzzle Brake fits the 6.5 Creedmoor 5/8"-24. It’s one of the best and lightest brakes on the market.  The spiral port outlets and internal parabolic taper reduce recoil and minimize noise increase, wh... See More