I believe I have found the best legendary scout rifle perks in the game. The only minus to the scout rifle is the magazine size.
Inspect my profile and look at my titan.
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It's ok. Another nitc with firefly is better. Hits harder with a much bigger magazine . Of I didn't have another nitc I'd use it. Any scout with firefly is worth keeping. The optics on that one are nice as well. The red dot ores is my favorite.