Magpul MBUS Rear Back-Up Sight – Black | Folding Dual Aperture for AR-15/M16

Upgrade your AR-15 or M16 with the Magpul MBUS (Magpul Back-Up Sight) Rear Sight in Black — a lightweight, reliable folding back-up iron sight engineered for serious shooters who demand performance without breaking the bank. Constructed from rugged color-injected polymer, the MBUS Rear Sight deploys instantly when needed and folds flat to clear your optic’s field of view when not in use.

The dual aperture design provides versatility for both close-quarters and longer-range engagements, while the windage-adjustable mechanism allows for precise zeroing in the field. Compatible with most standard 1913 Picatinny rail-equipped platforms, it is specifically optimized for the AR-15/M16 pattern rifle.

**Key Features:**
– Folding design for low-profile storage and rapid deployment
– Dual aperture rear sight for adaptable engagement distances
– Windage adjustable for accurate zeroing
– Fits standard 1913 Picatinny rail systems
– Optimized for AR-15/M16 platforms
– Durable color-injected polymer construction
– Matte black finish

At VanTon Arms, we offer the Magpul MBUS Rear Sight at a competitive price with fast nationwide shipping. Whether you’re building a new rifle or adding a dependable back-up sighting solution to your existing setup, the MBUS is a proven choice trusted by enthusiasts and professionals alike. Order online today and get your gear delivered straight to your door.