Foldable 45° Rear Sight

Buckler is a brand that based on the experience of countless
shooters introduces to the market the most optimal solutions in the
field of optics and firearms accessories.  Their goal is to continuously strive to
improve their products and introduce new ones that meet the needs of every, even
the most demanding of users. When making a purchase you can be sure that
your product will have undergone numerous tests and it is ready for a
long-lasting usage.  Buckler – by shooters for shooters. 

A vertically-adjustable, made of aluminum,
foldable rear sight. Key mechanical elements were made of steel. The
sight has 2 diameter settings. 45° angle allows to
rapidly use spare iron sights in case of main optics malfunction.

It is also an ideal solution when trying to calibrate two
various aiming points / distances.