The MK1-Braton can be obtained directly when you start the game and through the Market Console or your ship’s Arsenal. Its price is 15.000 Credits and yes, is the weapon already crafted, so you can buy it and use it without the need to wait for the Foundry of your ship.
That’s all we can tell about the MK1-Braton, we hope this was helpful for you. As always if you find any mistake or missing information let us know through the comments below.
Before you learn to run you must know how to walk, Tenno.