Although slightly built differently, the vityaz is essentially a bizon modified to take 30 round mags. A new attachment for mags for the bizon making for a quicker reload and more snappy
BizonBOX 2 GPU Expander for 2013 Mac Pro
Izhmash PP-19 Bizon-2-07 Submachine Gun | New State of Anarchy Wiki | Fandom
BIZON BOX 2 – Features
PP-19 Bizon submachine gun replica with silencer and red-dot sight - shop Gunfire
BIZON BOX 2S – Design
BIZON BOX 2S – Design
Too Much Rail? Russian PP-19 'Bizon 2' Hearts Picatinny - Big Time - The Truth About Guns
BIZON BOX 2S – Design
BIZON BOX 2 – Features
BizonBOX 2 GPU Expander for 2013 Mac Pro
SILVERBACK PP-19 Bizon 2 Electric Gun Conversion Kit - Airsoft Shop Japan
BizonBOX 2 GPU Expander for 2013 Mac Pro
A brief note on BizonBox 2 + GTX 980 | Dae's blog
10 Best External GPU Enclosures (eGPUs) To Buy (2017) | Beebom
BIZON BOX 2 – Features
BizonBOX 3 è una eGPU con Thunderbolt 3 pensata per il nuovo MacBook Pro