While I agree with some of what you wrote, I disagree with some as well.
For starters, the 6.5 Creedmore falls short to a well loaded .270 Win...
Not even close. The .270 fails out of the gate due to the only SD > 0.3 bullets having to be intentionally blunted to achieve stability. The BCs suck. It's crippled as a big game rifle.
Call me when there's an equivalent of the 160gr .264 Weldcore that'll stabilize in a 1:10" .270
Of course, you won't be calling because it's not physically possible to make that bullet due to the twist rate mistake made during the .270s initial design.
In the mean time I'll be shooting the superior Creedmoor and laughing at .270 losers
And it's spelled
Creedmoor. Like the range.
Creedmoor is correct and I almost always spell it that way. Occasionally my fingers get ahead of my brain. Hell, I can't even spell four letter words correctly sometimes.
Not even close? I ran the numbers at 7000 feet where we hunt and came up with what I provided before:
"For starters, the 6.5 Creedmore falls short to a well loaded .270 Win. Daughter’s .270 load for a 150g ABLR beats Hornady’s 143g ELD-X for the 6.5CM by 6” drop, 150fps, 265fpe and 1/2” drift at 500.
...
More importantly for our purposes, at 7000ft altitude and above, and while the 6.5 has a miniscule advantage in drift out to 300 yards (after which the .270 wins), the .270 load beats it handily in all other categories put to 1000 yards, the limit of my calculations."
While the 6.5CM is a nifty little round, It isn't the best for Daughter #1's purposes. We wanted a cartridge for her that provided a balance of features, including light recoil (around 18ft-lbs), high and velocity at close range with excellent retained velocity and energy (approx. 2000fps and 1500fpe) at ranges out to 500-600 yards using a 22" or shorter barrel using factory ammo or handloads. Drift also was a factor at extended ranges (again 500-600 yards maximum). The .270 Win does that, handily beating the 6.5 CM whether I use Nosler's Trophy Grade ABLR data, Hornady ELD-X data or our confirmed handload data (M700/.270 150gABLR and RAR/6.5CM/143 ELD-X).
The 6.5mm 160g Weldcore has a claimed B.C. of .509. The .277 150g ABLR has .591. And while the 6.5CM might win somewhere past 600 yards, such ranges are of no interest for Daughter's purposes. The 6.5CM might have an advantage in recoil but at 17.7 ft-lbs, the .270 Win is light enough. Daughter will stick with the .270, which stomps the 6.5CM at close ranges and still beats it at 600 yards.
