Sorry it’s in French / Grâce à moi c’est en français. The French version I found was higher quality. Here’s and English one:

The SEF fire selector stands for Sicher = Safe, Einzelfeuer = Semiautomatic, & Feuerstoss = Automatic.

And here’s an X-ray view:

    • FireTower@lemmy.worldOPMEnglish
      2·
      9 months ago

      22lr is a common abbreviation for the .22 Long rifle cartridge. It’s a very small rimfire cartridge often used for hunting small game and recreational shooting (due it it’s low cost). For reference it has about a third of the energy at the muzzle as a 9mm Luger round does (the most common pistol cartridge).

      Here it is (bottom left) next to other cartridges for scale.