Then there is the issue of studs mounted on the barrel.
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<br>My guess is that it has alot to do with the position of the shooter varying between the shots. My motto in life has pretty much been this: If its good enough for the Corps, its good enough for me. Hence, slings are used. Some rifles are real pains in the keister, but I find that I almost always shoot better offhand with a sling than without.
