Christensen Arms Nitride Side-Baffle Brake .223 Caliber Black Medium 1/2-28. Also available in stainless steel or titanium. Specifications for Christensen Arms Nitride Side-Baffle Brake: Manufacturer: Christensen Arms Color: Steel Finish: Nitride Gun Make: Universal Gun Model: Universal Inner Diameter: 1.7 in Outer Diameter: 2.5 cm Length: 2.5 in Condition: New Country of Origin: USA Features of Christensen Arms Nitride Side-Baffle Brake Stainless steel Black Nitride Coating Package Contents: Christensen Arms Nitride Side-Baffle Brake What firearm models does the manufacturer say Christensen Arms Nitride Side-Baffle Brake is compatible with? The manufacturer suggests that Christensen Arms Nitride Side-Baffle Brake is compatible with UniversalChristensen Arms 810-00015-02: Nitride Side-Baffle Brake .223 Caliber Black Medium 1/2-28