The Fabian Strategy needs a rework/large buff. 
The stats are too low. So low it shouldn't be an exotic weapon. 
The exotic perk "Front Lines" doesn't activate. (Or it's so low it's hardly noticeable)
When/if you finally get a kill and crowd control activates and you need to reload, crowd control will fall off before you can fire off 2 rounds. 
So crowd control needs a duration buff across all weapons in my opinion. 
Fix the perk, buff the stats, and make it feel exotic. 
Please. I want to love this gun.
						
					
					
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	What? The weapon is great in close-mid range.