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Perhaps this will help clear things up. Those pictures I posted above are not all one group, they are several (10-15) groups shot on the same target. The following picture shows more along the lines of the types of groups I am getting, as I have each group circled. The groups in the pictures above should be around the same size, or slightly smaller, but I have more of those groups at/near the center of the target than I did for this one.
http://www.thehighroad.org/attachment.php?s=&postid=1254136As for rapid or slow, heck, I don't know. I just get down in prone, and fire for effect soon as I can steady myself from the last shot.
I don't like the NM slings much, because in a SHTF situation, one would not have that sling as it is heavy and would not hold up well in adverse conditions. Likewise, I do not like having the websling in the "correct" format for shooting because then I can not use my sling for carrying, as I would in a SHTF/combat situation. I need to make the conditions for combat as real as they get.
I used to have 20/15 vision, but it has degraded and I now need glasses to even see the bull well at 100 meters. I am considering getting corrective eye laser surgery to correct this, however.