Acceltra is nice for certain stuff but when doing HIGH-level content it lacks (ammo) stamina, for everything else it's fine. Now something without ammo restrictions is the Knell/Prime (pistol) and you won't go wrong, nothing like the feel of aiming down a corridor of Steel Path enemie...
And, again, the players asked DE to "add more Warframe missions in Railjack". DE listened and, voila, we have the (really damn good) Corpus style missions. I do think RJ should get the full Steel Path treatment, applying the values to the enemy ships and increasing their numbers. ...