I have a maxed Vex and find myself CONSTANTLY out of ammo. I have zero issue with current mag sizes of 21 & 35 with ammo perk, but the total reserve ammo you can hold HAS to increase. I would understand ammo being scarce if this were a special or heavy weapon... but it is not. If you choose to equip it, you will be effective for the first few minutes, and thereafter be constantly struggling to have any ammo to reload with. Two potential solutions: a.) Allow additional ammo to be carried. ~300 instead of 147 would be appropriate. OR have a weapon perk that states you can "Expect to find more ammo for this weapon," thus increasing the amount picked up from primary ammo drops.

They gave the Mythoclast an ammo level that would be equivalent to a fusion rifle, they just changed up the ratio to fit a primary. It's upsetting and I hope it gets fixed soon

Yeah they should dim the fire rate and up the damage then let us carry more ammo for it.

The fire rate for Vex makes the difference. A single shot from VoC does more damage but the lower fire rate and 27 round magazine means less dps per magazine and time. My biggest grip is the low total number if rounds at 205. I usually run out of ammo 20-25% of the time in patrol or strikes.