Durability and dead-on accuracy have made Troy Folding BattleSights the hands-down choice of Special Ops and tactical users worldwide. Easy to install and deploy, Troy BattleSights are machined from hardened aircraft aluminum and finished in Mil-Spec hardcoat anodizing. Troy BattleSights are rugged, reliable and BattleReady. Troy Folding BattleSights provide a continuous zero and fold to a profile of .460 in. The zero-canting attachment system ensures sight remains upright and zeroed and were engineered for use on all military and aftermarket receivers. Troy Rear Folding BattleSights feature either a Standard Round or ""DOA"" diamond aperture. Tritium upgrades are avialble for low light situatiuons.