Zero
The shooter can easily see if the cartridge chamber cartridge inserted in the handle store and how much ammo.
“Smart” Glock 17 / photo thefirearmblog

American company Rade Technology Corporation, or Radetec, showed at the exhibition SHOT Show 2019 in Las Vegas upgraded the Austrian Glock 17, popular all over the world.

He got the Smart Slide that combines a mini-display and the ammo counter. This writes The Firearm Blog.

The shooter can easily see if the cartridge chamber cartridge inserted in the handle store and how much ammo. The concept includes a controller, sensor cartridges, the Bluetooth module and OLED display.

See also Russia has tested a new weapon to replace the pistol

The Smart Slide can be connected to the smartphone, thus obtaining the most complete information about the use of the Glock 17.

Now there are two types of counters of cartridges — mechanical and electronic. The first effect on the indicator of ammo through the installed in the store, pushing spring. Electronic counters “count” the number of rounds shot.

Experts, however, note that most meters can not be relied on a hundred percent, and in a combat situation such inaccuracies can cost the arrow of life. That is why the Glock 17 might not get the popularity which is calculated in Radetec.