Aging Eyes "I’m 48 and I’ve noticed some changes in my vision over the past few years that I think are affecting my shooting. It there any way to compensate for this?" Age-related vision changes are usually noticeable in our 40s or 50s. Our ability to rapidly transition our focus between twoobjects at different distances is possible because of the flexibility of the lens located behind the cornea in our eye. Most of us need some form of magnification for reading by the time we reach this age because our lens has become stiffer and less flexible. We also may notice a … [Read more...]
Faster Shells
Faster Shells "I tend to shoot behind longer-range targets. Does a faster shell, say 1,325 feet per second, get the shot to the target more quickly and therefore reduce the lead I need?" For the overwhelming majority of shooters, there is no perceivable difference between a shell that is 1,250 feet per second versus one that is 1,325 fps as far as time-to-target is concerned. With all other factors being equal, does the faster shell cause the shot to reach the target faster? Yes, but again, as fast as the shot cloud moves to the target, the difference is minuscule, and we … [Read more...]
Forcing Cones
Forcing Cones Do longer forcing cones lower felt recoil? Yes, theoretically, but only to a point. The shotgun ballistics experts I consult with agree that most of the recoil from a shotgun occurs in the first four tofive inches forward of the chamber, as the shot and wad are expelled from the shell casing and reach the bore. As the wad and shot exit the shell casing, they encounter a short, tapered section of the barrel between the chamber and the bore. This is known as the forcing cone, because the shot and wad cup are forced from the larger diameter chamber (about … [Read more...]
Visibility
Visibility "I’m a relatively new shooter and hope to shoot FITASC someday, so I am trying to practice a low-mount approach to as many targets as possible. When shooting at report or true pairs during a sporting clays round, however, and there is a significant delay between the appearance of the first and second target, am I better off to partly or fully dismount for the second target or to stay fully mounted? Should we be mounted or unmounted when in our ready position or whentransitioning between targets of a pair? Obviously, in FITASC, we are not given an option.We must … [Read more...]
Rule of 16ths
Rule of 16ths "How does the rule of 16ths apply to shotgun fitting?" The “rule of 16ths” has been employed by gun fitters for more than 100 years. It is used to estimate the amount of additional cast-on or cast-off needed to yield the correctpoint of impact (POI) for a given shotgun and a given shooter. Basically, the rule says that for every 16th of an inch of cast added or subtracted from a shotgun at the heel, the point of aim (center of the pattern) will be affected by one inch for a target that is 16 yards from the shooter. So theoretically, if you are shooting two … [Read more...]
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