[ikka]

My understanding is that the .223 does not drop more than 3 inches during the first 100 yards. Thus, if you zeroed in such a rifle at 50 or 65 yards, you could put a laser sight on it and basically put a bullet where the laser dot is up to about 120 yards... which appears to be the range that this person is shooting in.

[spunkets]

Point blank range is the range covered where a particular bullet will always be within +- some verticle range. For a 55gr spire, 223 at 3600 ft/sec muzzle and a 250 yard zero, the point blank range is 290yds. So just putting the sight dead on will result in the bullet hitting within +-2in.

[tall_tex]

It depends upon the load of the the bullet. It also depends on the weather, rain, fog, wind, have an effect on the laser site. Think about it...