Show of Hands

WhiskeyMutineer January 28th, 2020 9:40am

Cartridge A fires a 150gr projectile at 2,910 fps, creating 2,820 ft-lbs of energy. Cartridge B fires a 62gr projectile at 3,150 fps creating 1,371 ft-lbs of energy. Which one does the AR-15 fire?