Posted 9 Months, 3 Weeks ago chandu Expert Boarder Posts: 116   There is a little screw under the button you push to open the 6 shot cylinder. What does that screw adjust? The administrator has disabled public write access. Posted 9 Months, 3 Weeks ago klaymen Expert Boarder Posts: 124   I have an SP-101. I believe you're referring to the screw that holds the cylinder release button in place. The administrator has disabled public write access.