12/70 makeshift .50 BMG slug

The  (.50 12c) is a 12x70mm‎ ammunition in Escape from Tarkov.

Description
12x70 Custom made slug shell with a shortened .50 BMG tracer bullet for 12ga shotguns. Noone knows, who and why reloading these strange slugs in Tarkov, but they just work... somehow.

12/70 à balle .50 BMG