As others have mentioned, velocity plays a big roll in ELD-X bullet performance. Running the 200 gr at 2840 I find my 200 yard and in kills to be quite destructive. Understanding the give and take of the bullet I just aim back off the shoulder for a center lung shot on closer game and am able to save both shoulders. I’m happy to do this because of the impressive performance I get at extended ranges. My farthest shot with the 200 eldx on game was an aoudad at 684. .30 cal in and 3/4” exit. To this day everything I have shot with the ELD-X has been DRT. Absolutely no complaints here. I would be hesitant to increase my velocity by using a lighter 178 grain pill. I have no first hand experience with the 178s but I can only imagine them exploding worse at closer ranges, having less performance in the wind and penetrating less at distance.