if your rifles shoot both Hammer likely HHT or similar monolithic and Barnes TTSX equally well same accuracy, no issues, and performance feels identical in the field, they're basically tied on the dream bullet front both are proven copper monos with excellent expansion, penetration, and weight retention.
Barnes TTSX edges it out slightly for most guys right now. It's the more established, widely trusted option decades of real hunts, consistent petals expansion, and factory ammo in VOR TX is easy to grab. Availability is strong Barnes ramped up production and new loads e.g., 7mm PRC, .400 Legend, 6mm ARC hit shelves early 2026, with bullets in stock at most retailers Midway, Graf's, etc. in common weights calibers. No major shortages reported lately.
Hammer is fantastic often praised for easier loading, slightly better accuracy in some rifles, consistent weights, and devastating on game results, but availability can be spottier Hammer is a smaller outfit, so certain weights colors styles go out of stock faster, and shipping delays pop up more often than Barnes. If you're reloading and can snag what you need, Hammers feel like a step up in consistency for many.
Since you're indifferent and both perform the same for you, go Barnes TTSX for the edge in easy sourcing bullets loaded ammo when you need to restock quick peace of mind without hunting for components. If Hammers stay in stock for your calibers and you like the feel, stick with am no wrong answer here.