I saw this bug only two times. 1st on 1.0 and 2nd - yesterday on 1,04
I dont know how reproduce this. But in both cases character has shovel and sg5-k
Yesterday I was reading the map, after that I switched to sg5-k - and my char bugged

1.0 https://steamuserimages-a.akamaihd.net/ugc/942842771799769948/2F27743C535F4BE89261DD43C9439009A59201EF/

1.04 https://steamuserimages-a.akamaihd.net/ugc/782981165698345431/B2450CEBDBE4B36DDB24E891C24E37694ACDB445/