french "Bufalo" rifle shooting three 22 extra long bullet at once https://www.naturabuy.fr/BUFFALO-MITRAILLE-MANUFRANCE-6-mm-Extra-long-Parfait-Etat-item-7549905.html

the 22 extra long http://old.municion.org/22altres/22ExtraLong.htm was a black powder round that was dying out when 22 lr with nitro powder came on the market what gives the same V0. this rifle here can be shoot with standard 22 lr ammo. it shoots the three bullets in a 15 cm circle at 100 meter.