TruGlo Rimfire Pistol Fiber Optic Front Sight Red Ruger Mark II/III Browning Buckmark. These TruGlo CNC-machined these Fiber Optic Pistol Sights from steel to create the most rugged structure possible. This Truglo Rimfire Pistol Fiber Optic Front Night Sight replaces your current front sight and is incredibly easy to install. Get a glowing point of aim that requires absolutely no maintenance after installation with the Truglo Rimfire Pistol Fiber Optic Front Sight for RUGER MKII MKIII 22/45 and BROWNING BUCK MARK. Specifications for Truglo Rimfire Pistol Fiber Optic Front Sight: Manufacturer: TruGlo Gun Model: Browning Buck Mark Ruger 22/45 Ruger Mark III Ruger Mark II Condition: New Country of Origin: USA Features of Truglo Rimfire Pistol Fiber Optic Front Sight: Replaces existing front sight Extremely bright in low-light conditions CNC-machined Front diameter is .060in Height is approximately .445in Easy installation Package Contents: Truglo Rimfire Pistol Fiber Optic Front Sight What firearm models does the manufacturer say Truglo Rimfire Pistol Fiber Optic Front Sight is compatible with? The manufacturer suggests that Truglo Rimfire Pistol Fiber Optic Front Sight is compatible with Ruger Mark II Ruger Mark III Ruger 22/45 Browning Buck MarkTruGlo TG-TG965R: Rimfire Pistol Fiber Optic Front Sight Red Ruger Mark II/III Browning Buckmark