Used the new MACO2 for the first time today. These fish were no test of the power of this gun. The largest fish was one of those Reds, and it may have weighed 15 lbs. I was surprised that the noise was not as loud as a pneumatic gun, and the aiming is no different than a long pneumatic. The 10mm shaft is propelled thru the water very fast, faster than any gun I have previously owned. I cant wait to use it on Cobia or Amberjack. No recoil, and no excessive amount of bubbles. Learned quickly that the loading valve had to be closed completely or you would loose Co2 after the shot was taken. Surprised to find that the gun floats with the spear out. I am very happy with the purchase, I feel that I am diving with a 30 06 rather than a spear gun.
KC