ranges. The only real use for the thing is to knock holes in THINGS that require more power (at the target) than say, a 300 Win Mag BAR can offer. Like propane tanks, storage tanks at oilfields, shipyards, or big transformers, at power plants, or RR or 18 wheeler tanker cars. Why pay that much for the match .50 ammo, hmm? Go thru all the gyrations with laptop, rangefinder, ballistics calculators, etc, for what?