It would be cool if we could purchase perks the same way we do Primary, Secondary and Heavy synth from the Armorer. So you could buy them and they last for 30 minutes. Charge like 500 glimmer or one Legendary Mark. For example: Stability Reload Outlaw Firefly Fitted Stock Full Auto Ambush Short gaze Hammer Forged Armor Piercing The limiting factor is only one can be active at any time. The perc applies to all equipped weapons.