The Magpul MBUS Pro Back-Up Sight Rear is a rugged, all-steel folding rear sight built for dependable backup sighting when your primary optic is not in use. Its low-profile design stays out of the way when folded, while the deployed sight provides standard AR sight height with tool-less windage adjustment. Built with a QPQ nitride finish for durability and corrosion resistance, the MBUS Pro Rear Sight attaches to M1913 Picatinny rails and uses positive detents to secure the sight, windage knob, and aperture window in position. The flip-up/down aperture gives users wide and narrow sight picture options for close-range, low-light, and longer-distance aiming references. All-steel construction for strength and long-term durability QPQ nitride finish helps resist wear and corrosion Fits M1913 Picatinny / STANAG 4694 rails Tool-less windage adjustment for quick on-the-fly correction Dual aperture system with wide and narrow sight picture options Low-profile folding design measures approximately 0.38" when stowed Standard AR sight height when deployed Positive detents help keep the sight, windage knob, and aperture window secure Compact rail footprint covers approximately 2.1" of rail when stowed Made in the USA Compatibility Note: Designed for compatible M1913 Picatinny / STANAG 4694 rail systems. Buyer is responsible for confirming platform fitment and local compliance before purchase.
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