The main weapon is a GS228 Autorifle. This builds shows an ACR, but any AutoRifle will work. The reason it's GS228 is so all talents will be active. The M700 is the secondary weapon, because Elevated applies to the turret when deployed, and stays active even after you switch back to the AutoRifle main.
While the build shows the Tactician items in certain slots, any slots works, as long as its 3 Tactician pieces, and 2 Firecrest pieces. This works even as a non-classified gear build; since it's only up to the 4P and 3P set bonuses active.
The build has some Boom power with Sticky Bomb BfB, and the Flame turret's crowd-control, greater damage, and extended range of Firecrest.
The 5% Health on Kill on gloves keeps your health decent from killing. The sidearm has Predatory; you can switch to it quick and get a few kills with BfB or your gun for some regen.
Depending on the situation, you can switch out Death by Proxy for Shrapnel (AoE bleed), Police Up (re-fill all ammo), or On The Move (mobile resistance).