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Target Shooting by Match - Match Results => Target Shooting Discussion General => : TCups November 03, 2009, 09:59:39 AM

: Target for CTC Groups
: TCups November 03, 2009, 09:59:39 AM

Here is a target I made for shooting and measuring center-to-center (CTC) group size.  All are welcome to use it.  Shoot two groups, usually five shots each, at the large cross targets.  Shoot two individual shots at the small cross targets.  Measure the greatest outside-to-outside (OTO) distance of your 5-shot groups.  Measure the OTO diameter of each single shot.  Subtract the average OTO diameter of your single shots from the average OTO size of your groups.  The difference is the average CTC group size for 10 shots (two 5-shot groups).

: RE: Target for CTC Groups
: Bhawanna November 03, 2009, 12:07:28 PM

maybe the sunshades you ordered will help tighten the groupings......they are in and i haven't "played" with them....