Hey Penny, do a google search and type in "Disabled hunt outfitter" and either "New Mexico" or "Colorado". I just did that, and came up with bunches of links that say they have disabled hunts available. Just be sure that when you start looking into this, you make sure to get names of references for people who have hunted there, especially disabled hunters. You do not want to just fork over the $$$$ on their word that they offer the hunts, then get there, and find that they just park you on a ridge somewhere and tell you to shoot whatever walks by. Make sure to find one that will work as hard for you as they would for someone who can go everywhere.
I was pleasantly surprised at teh number of outfitters willing to accomodate handicapped hunters. It is nice that we have come to this point in society where we recognize that disabilities should not be limiting and with some accomodations the outdoors is for everyone.
Others have offered up a sighting of roughly 2 inches high at 100 yards as a good sighting scheme. In my own experience I have come to favor a sighting of 3.5 inches high at 100 yards. This allows for the individual to hold dead-on (directly in the middle of the top and bottom) the animal out to roughly 350 yards.
Magnum calibers such as the 7mm Remington and 300 Winchester will extend this slightly. At 400 yards I hold directly on the backbone of the animal. The drop at this range allows the...