Mission First Tactical Extreme Duty AR-15 Backup Rear Sight

Mission First's Bombshell Backup Delivers Essential Redundancy This purpose-driven backup sight retains battle-ready redundancy at a skeletal weight. Durable 4140 steel meets a stubby snag-free silhouette conveniently stowing under optics and rails. The smooth manual flip-up marries instant transitions between sight systems with returns to zero when bounced around. Appreciate the simplicity of an etched [...]