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You are correct. Any dispersion would be the result of the individual, not his ransom rest. The question is whether the Gripper helps the shooter to get tighter groups.

For 9mm, having all holes touching the first hole means no more than 27mm group. At 10 yards that dispersion is about 90mm or 3.6 inches. The test isn't as easy as it sounds. But if your basic skills level is high enough that 3 yards is just one ragged hole, increase distance or put a time limit on the string.
 

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Discussion Starter · #22 · (Edited)
Factory ball is capable of one hole groups at 50 yards. What you should do is look at YouTube videos of experts doing the same kind of shooting that you want to do. Watch their stance and grip closely. Be wary of the ones with tightly locked arms with the camera positioned to make their arms look like oak trees, they are just doing that for the video.

Do not try to imitate Hickok45's shooting style. It only works for him. He would be a much better shooter if he would use a normal hold and stance.

Keep foremost in mind that your gun has a generous chamber. Accuracy will take a huge leap when your load just hits the point where the case expands to seal properly BEFORE the bullet starts chugging along. This point typically occurs at about 5.5gr Bullseye, 6.5gr Unique, or 7gr Power Pistol.

The other thing that will make a big difference is to match the bullet seating depth to the leade.

Fortunately the barrel on the gun can be used as a gage. Seat the bullet as long as possible while still allowing the bullet to just drop (no pushing it along to help) in to seat the case mouth on it's ledge in the barrel. This is called the "plunk" test.

Hornady 230gr swaged lead round ball will produce one hole groups at 100 yards with a good solid load of powder if seated to the right depth. And they will do it with mixed brass of varying length. It's totally a different ball game than rifles at 600 yards.
 
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