Sight Covers
Steyr usually ships their AUGs and USRs with a pair of opaque sight
covers to protect the lenses on each weapon's integral 1.5x Swarovski
optical tube. These simple devices are intended only for shipping or
storage. They are not appropriate for everyday use, and they are
especially unsuitable in a combat environment where they will
invariably fall off.
To protect the optics during everyday use, Steyr offers a much more
robust and functional set of lens covers that, when attached to the
optical tube housing, still allow the user to observe a target through
the optics. Though these plastic lenses admittedly degrade the sight
picture's clarity, they do function as intended. The units consist of
front and rear black, polymer lens housings that are connnected by
black, elastic straps. They attach securely to recesses in the optical
tube housing and protect the optical tube's ocular and objective
lenses from exposure to dirt and mud. Once they become fouled,
the user need only remove them and rinse them with water. If
the situation requires, the user can shoot his or her weapon in
the interim with a clean, clear and unscratched optical tube.
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