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BUIS Optics3.png
Category Attachments > Sights and Optics
Weapon(s) M4A1, MP5-K, UMP45, FN FAL
Size 1 Slot
Weight 644 g
Absorbency 0%
Locations Military West
Rarity Uncommon
Colours None
Variants None
A simple backup iron sights for the M4 carbine. — In-game description

The BUIS is a weapon attachment in DayZ Standalone.

Trivia[edit | edit source]

  • At one point, it was possible to equip the BUIS sights to the Crossbow. This ability was later removed.
  • This model is based on the MaTech BUIS which is currently the standard issue M4 rear iron sight for the U.S. military.