The delay from ceasefire to replenishment and the speed of ammo regeneration varies between different arch gun. Go with itzal or odonata prime.

Top 5 Warframe Best Arch Guns And How To Get Them Gamers
Warframe arch gun tier list. Relentless zen 161753 views. Warframe general discussion topic details. Infinity mag ii 78000000 damage level 10000 warframe weapon synergy mag build duration. Unlike traditional warframe weapons arch guns have no separate ammo reserve or magazine in zero g instead having a regenerating magazine whose contents replenish to full when the weapon is not firing. Your weapons tho mhmm you got the goods. In my opinion the best arch gun is the fluctus.
If youve enjoyed this list of the best warframe primary weapons in 2019 and found your top weapon of choice dont hesitate to share it around and stay tuned for our warframe frame 2019 tier list. Imperator vandal and velocitus are the top tier primaries right now. The cyngas is a burst fire arch gun with high accuracy and critical chance as well as amazing status chance and reload speed. Dec 20 2018 at 256pm best arch gun for heavy weaponry. I love that thing. I love that thing.
In my opinion the best arch gun is the fluctus. This list of the top arch guns in warframe is your guide to the best archwing weapons to have in your loadout. Arch guns are heavy weapons most frequently used in zero gravity archwing combat. Any of these primary weapons are great choices to use in 2019. But yeah itzal is infinitely better than elytron save for 1 or 2 missions. As far as jack of all trades weapons go this is it.
Warframe and you wont have any problems clearing content with them.