What twist would it take to stabilize a 130 vld?
How many factory rifles have that twist rate? Zero would be my guess. Equals next to zero market for such a bullet. It would be cool though!
How many factory rifle in 270 are 8 twist?? let me guess EL-ZILCHO
case in point, no reason for the .257 to be left out. 25-06 are EXTREMELY popular,
Meaning the bullet makers could make $$$ millions
of the ZERO factory rifle that have 8 twists to stabilize a 170 berger, people still are buying them.
Just a barrel change away.
I mean Berger now makes a 170 for .277, Matrix makes a 165 and 170.
Yet Neither Berger nor matrix makes a high bc .257
a 130 hybrid would be ok, but nothing to write home about, Matrix makes a 160 in 6,5 w a .680 avg BC. so a 150 hybrid could be done easy.
Being the .257 and 6.5mm (.264) are only 0.007 in difference, could be a reason.
But so is the 7mm vs ,277 (,284 vs .277)
That being said, starting from scratch, you'd be a fool to build a long range target or deer in 277 caliber vs the .284. the 7mm completely destroys the 270 bore for long range power and knockdown effect. minus the few 27 bore cheerleaders who will tell you how their friend's 7mm took 70 shots to kill some elk vs a single 270 killed it.
For long range target, deer killing fighting the wind, the 26 and 28 bore to trup the 25 and 27 bores, the Matrix 6.5 160 beats out the .277 175 and Berger 170's for bc.
And the same with the .257 caliber (my favorite), I'd be a fool to build a 25x284 vs a 6.5x284 for longrange target or deer hunting. the 140-160 grain bullets will make the dinky 115 .25 caliber look weak at long range
All of them would be equal from 700 yards or less on deer sized game, all of them have varmint bullets w bc's in the high .3's, something the 22's and 30's are lacking
Brings another issue, why is berger stuck in the stone age with dinky 140 6.5's when Matrix makes a nice long 160 grain lvd type .680 bc (avg 3000-1500 fps) 6.5 .