I've been thinking about gluing a round spirit level to the top of my scope's elevation turret for when I'm shooting off the bench, but was wondering if that would pose any problems with silhouette rules. Anyone? I don't think so, but, doesn't hurt to check.

I don't think it is against the rules. That said, what would it do for your shooting? You should be able to see if your rifle is canted by looking at the x hairs when you are on the bench. We arn't shooting bench rest and your wobble more than makes up for a slight cant in your off-hand hold.

More than likley you have a 6 or 7" hold and a 1" gun. With a 6" hold plus your 1" gun, you have 6 1/2" of accuracy. With that in mind, what is a level on your gun going to do for you?

I do think you should use a level to mount your scope.

For better or worse, I level the scope during installation and then check my hold level against the target rails while shooting. It seems like, legal or not, a spirit level is just another distraction.

One of my infamous 504's was rebuilt by Evelio into a really nice silhouette rifle that still didn't seem to shoot until I began using that method. Because 504s are so problematic it was easy to blame the rifle instead of my technique, but after learning to keep a consistent hold it's one of my favorites.

To repeat, it would be for when I'm *not* shooting silhouette, so my hold is irrelevant. It'd be for when I'm shooting bench. And the gun will shoot much better than 1", thanks. ;) The reason I want it on there is the target stands/holders at our range are portable so you can move them to whatever distance you want, and the ground is not even, so it is a little annoying to try to get your targets straight on stands that will never be straight. So as a consequence I do not have a guaranteed point of reference with which to square up my crosshairs. Hence, the spirit level idea. I'd never even look at it when shooting silhouette, as there wouldn't really be any point. I've no problem with cant in that situation anyways. Different shooting facility for silhouette, and the target stands there are level and permanently installed, so I have a frame of reference that's reliable there. Not to mention my hold enters the picture. Any cant as a result of my hold and technique isn't going to matter a great deal for silhouette anyways, but for benchrest stuff it matters enough to be concerned with it. There'd be no point in looking at the spirit level in that silhouette situation for those reasons, which you've/we've mentioned. Anyway, I've got a little round one that is slightly smaller than the diameter of the turret adjuster, and was thinking about gluing it there. I suppose I could just use double-sided tape on the days I'm shooting from the bench, but it'd be one less thing to remember if it was just glued there. I suppose I could also just throw a piece of string with a large nut on the end into my range kit to use as a plumb line for when I'm hanging targets, but being 5'7" tall and hanging targets on stands that are (I think) over 7' tall can be a task. We usually lie them down, mount the targets, and then stand them back up. Hence the trickiness involved in trying to get the targets exactly straight/level.

B-Square makes levels for Weaver/Piccatinny and 11mm dovetails.
Scopelevel makes them for 1" and 30mm tubes.
So does Mounting Solutions, both blue and silver.
U.S. Optics makes a super level for Piccatinny rail or scope tube.
HorusVision offers a combined roll and pitch level.

I have used the first two; the B-Square levels mount in just the right place to be easy to use and not distracting.

I can't see any way that they would not be perfectly fine for Silhouette matches.

wow, lots eh? Thanks for going to the trouble for the links!

On a std. gun I see no rule problems but in the hunter class this could be misconstrued as an attachment/device used for a shooting aid. How I have no idea but then again I have seen some petty protests in my years.

Well, at least if I picked up one of those 11mm dovetail levels it would be a simple task to attach/remove as I wanted. Thanks for the replies.