Thank you for getting back to me, I am playing on version 22.4, but I only get the HE, Smoke, and Stun rounds for the HEVY, Whether it is my PC hard wear (which is only 6 mouths old, with 4K monitor and a RTX 3080 Ti video card, I don't know, or the windows 10, 64 that I am using.
I am 320 days into the game, and have Plasma Grenades, but not for the HEVY??