A small M-42 blob with canister shot is raping everything on distance, it's impossible to stop them at early and early-mid game.
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And it's not like this is the only case, this strategy constantly gets used by top 1v1 soviet players (PTRS penal spam with M-42 blob as backup)
Please take another look at this canister shot ability. IMO it should cost munition and be a timed ability like the AT ammo from the american AT gun