Which of the 7mm offerings would you guys believe would be best suited when the new Berger 195g 7mm bullets are released for 1000y f-class, thinking of going down the Lapua 6.5 X 284 necked up to 7mm route with long 32-33inch heavy bull barrel 1 in 8 twist to shoot the 180-195g berger hybrids, thinking the long 284 barrel would yield simmiler velocities as the 7mmwsm, any thoughts.