On 22 Sustitutions
I still advocate teaching new shooters marksmanship with a 22 pistol. I also advocate training with what you carry. When I still traveled into "Indian Territory" on a daily basis to see patients, I would pop into an indoor range each day to run one magazine (or cylinder) through my carry gun. That amounted to 60-70 rounds a week, sometimes less if I carried a revolver that week. Round counts do not build proficiency. Familiarity builds proficiency.
I do not disagree with Todd, I still shot some weekend volume at the range as well. Failure drills are important, as is shooting with either hand. Being able to shoot accurately on the move with an adrenaline dump is the skillset to strive for though. This comes from being as familiar with the gun as we are with our automobile. Each day we get in a car and perform complex tasks based on time and space, often within mere feet of injury or death. We do it easily, without thinking. How? We do it every day, a little at a time, not by driving 500 miles once a month.
I sometimes wish I still had the time each day to shoot a magazine. With my present job, unfortunately, I do not. My risk is lessened, and my time is more precious now. I do, however, make certain that I stay intimately familiar with the gun I rely on, and I still benefit from the time I shot them that frequently. But give Todd's article a read. It's good food for thought.