Shipping & Compliance
- This item cannot be shipped to California under California state law (SB 1263).
The MBUS 3 folds down to just 0.44 inches -- barely a bump on your rail -- yet pops up instantly with an ambidextrous push‑button and locks at true co‑witness height with your optic. Impact‑resistant polymer construction keeps it light (25 grams) without turning fragile, and the rapid‑select rear aperture lets you switch apertures on the fly for close or precision work. It's the backup sight most AR owners already trust to still be there when the optic isn't.
MBUS 3 REAR SIGHT FDE
- Model: MBUS 3 Rear Sight
- Finish: Flat Dark Earth
- Overall Length: 6.75
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