Christensen Arms Titanium Radial Brake .30 Caliber Titanium Medium 5/8-24. It effectively reduces felt recoil and does not need to be timed. This is the same radial brake design that ships with all of our hunting rifles. Specifications for Christensen Arms Titanium Radial Brake: Manufacturer: Christensen Arms Color: Titanium Finish: Raw Gun Make: Universal Gun Model: Universal Inner Diameter: 1.7 in Outer Diameter: 2.5 cm Length: 2.5 in Included Accessories: washer Country of Origin: USA Features of Christensen Arms Titanium Radial Brake Titanium Alloy Package Contents: Christensen Arms Titanium Radial Brake What firearm models does the manufacturer say Christensen Arms Titanium Radial Brake is compatible with? The manufacturer says that Christensen Arms Titanium Radial Brake is compatible with UniversalChristensen Arms 810-00016-01: Titanium Radial Brake .30 Caliber Titanium Medium 5/8-24