Mic position one meter to left of muzzle. A-weighted.
M1A: Factory Flash Hider, 168.2 dB
AAC 762SD, 138.3 dB, +.8 dB FRP, 29.9 dB NSR
Surefire FA762K, 140.7 dB - +4.5 dB FRP, 27.5 dB NSR
Rem 700, 19.5" M80 ammo, 167.4 dB.
AAC 762SD, 139.2dB, 28.2dB NSR – $28 per dB.
Surefire FA762K, 144.7dB, 22.7dB NSR – $79 per dB.
At Ear, Rem 700 18" M80 ammo, A-weighted:
AAC 762SD, 133.0 dB
Surefire FA762SS, 135.0 dB
Surefire FA762K, 135.7 dB
