My idiot moment today at the range

Glad to hear she's enjoying herself and spending some time on the range.

I don't know what kind of rings you've set up, and none will compensate for utter abuse or bad technique, but you may want to look at some better rings.

So...

1. Why didn't you tighten the scope rings properly to begin with?

2. Why did it take 200 rounds for you to see what she was doing... busy watching other women?

Yeah...I was getting horrible shot placement with my M1917 which had been perfect last trip to the range. Took me 10 shots to realize I had forgotten to raise the sight leaf and was using the battle sight rather than the leaf sight.:banghead:
Tinpig

That's an easy oversight. Good that you discovered it. Under normal circumstances however it shouldn't have made much (if any) difference. --It pays to have good glass and quality rings soundly secured and mounted!

I spent more than one frustrating range day sighting in a Mosin-Nagant 91/30. Tried different ammo, tightening the front sight in the dovetail, and all manner of adjustments. It was on the third trip that I realized, the dang action loosened up when being shot. In fact, tightening down the action screws to prevent them from working loose (don't want to loc-tight because it will have to come out some time), the back end actually dropped down so much the bolt would drag on the magazine--has to put a washer under the rear action screw.
The darn things are surprising precise (given what they are and cheap commie surplus ammo) once you make the action tight.

Use "blue" locktite. Will firm it up nicely, but with the proper tool and a little umph can still be removed.

She shouldn't do that. But the scope shouldn't lose zero, regardless.

On an AUG, you are actually supposed to use the scope as a carry handle!

Beware those cheap Tasco scopes.

Years ago, I bought a Marlin Model 60 with...wait for it...a cheap Tasco scope. Didn't shoot worth a damn. No matter what ammo I tried, it would make patterns a shotgun would have been ashamed of. I finally just cursed myself for buying a cheap rifle, put it in the back of the closet, and forgot about it.

Years later, I noticed it back there one day, and decided to take it apart to try and find out what was wrong with it. As I removed the scope, something rattled, so I gave it a good shake, and, sure enough, something inside was loose. It turned out to be one of the internal lenses (I believe the erector) rattling around loose in its mount.

I gave the gun a good cleaning and left for the range, leaving the scope behind. With the buckhorn sights, the thing shot like a dream. Today, it's one of my favorite guns, and shoots great with almost anything I feed it. A $10.00 scope almost made me discard a fine little rifle.

I took a female friend out to shoot and I was watching everything she was doing.