RE: Scope and Sighting In Questions
When I sight in a scope.. if it is not bore sighted you can do so in the house. If you have a gun rest, take the breech plug out of the rifle. Set the rifle in the gun rest. If you have no gun rest take a large cardboard box and cut some V in opposite sides and use that. Aim the rifle about 13 yards away looking through the barrel, at a door knob or a spot on the wall. Then carefully without moving the rifle adjust the cross hairs of the scope to that point. That should put you on a paper target at 13 or 25 yards. I like to start the first shot at 13 yards. Aim dead center bull. Fire the rifle, swab the barrel and shoot again. Then swab and fire a third shot. Adjust the scope from there.
Then move back to 25 yards. Swab the barrel and do it again all over with. When you have a load that will keep in a general area on paper at 25 yards, you can then start to work on tuning the load. When you have the load tuned, then it is a matter of moving back to the distance you want the scope sighted in at.
As for capping the rifle, I do not know the rifle that well since I have not purchased one yet. Perhaps a straight line 209 capper would help you reach in under that scope and place the primer better. I am sure there are KRB7 owners that can help you with that..