I have no experience with the rifles above, but have a 6.5 Creed in a AR-10. You mentioned that you don't reload. I would suggest Norma 130 Match. With a BC of .581 and velocity of 2750 fps from a 18" barrel and .750 moa from my Bartlein barrel. It's worth a look and affordable.
Start off with 2 barrels, both use the same chamber, same length. On first barrel use 100 cases, fireform and load development. Learn the nuances of the cartridge when the first barrel is toast fireform brass for the next barrel. You could even go 7/300NMIMP and just neck that brass to 7MM.
At a Rifle Dynamics Match at Blue Steel range in NM, I believe in 2017 Falkor had a demo rifle on the line before the match. The rep got behind the 300 WM and shot approximately 2" group at 300 yards in about 3 seconds. They offered me and my buddy the opportunity to shoot it. I got behind the...
I'm not saying scrap the entire force. The US should pull out because non of the European countries would step up if the US had a conflict.
On the flip side if the US pulled support from NATO the organization would last about 15 minutes.