That 6.5/100
2700 will be far louder and have more blast, than a 308/125
2300....suppressed or not, 20” vs 16”, too. That’s why my wife’s AR is a 300 BLK (unsupressed) 16”. The recoil is a non-issue for her, but she hated the muzzle blast from even my 20” 223; 6.5, and 6.8 ARs. She’s only 5’ in heels.