Did you guys see/know about this:
https://www.reddit.com/r/DestinyTheGame/comments/4jrqqr/clown_cartridgecocoon_glitch/
Raid Primary with Coccoon procs Clown Cartridge on secondaries/rockets even if they have no ammo and even in PVP
So
You get PvP Heavy Ammo even outside of heavy rounds/heavy spawns
Video here:
https://youtu.be/t6ZGN5xwPf8
bungie is aware but until they fix it.... PVP ROCKETS GALORE?!
edit: i just checked my vault and I DO have RL with clown cartridge so if it's not patched by the time I'm home I'm gonna give PvP a try for shits and giggles
too bad this wasn't posted for trials LOL