NSSF Video Provides Helpful Scope Mounting Advice
The National Shooting Sports Foundation (NSSF) has created a video with helpful tips on mounting scopes, and adjusting the position of scopes to suit the shooter. This video, hosted by Ryan Cleckner, a former U.S. Army Sniper instructor, is aimed primarily at “hard-holders” who shoot prone. The video should prove useful for tactical shooters, varmint hunters, and F-Class shooters. Ryan does explain that, if you plan to use your rifle in standing, sitting, and prone positions, you need to set the scope in a “happy medium” position that provides sufficient eye relief in all shooting positions.
Ryan has an interesting method for leveling a rail-mounted, flat-bottomed scope (i.e. one with a flat surface under the turret housing). He simply inserts a small metal bar between rail and scope, and aligns the straight edges along the bottom of the scope turret housing with the flats on the rail (see photo). Watch how he does this on the video — it’s pretty clever. One other highlight of the video is the segment where Ryan shows how to adjust the ocular on his Leupold scope to provide the best (sharpest) image of the reticle. Ocular/reticle adjustment is covered in minutes 11:00-13:00 of the video.
The video has some faults. Some of the advice, such as “always mount the scope as low as possible” is counter-productive for benchrest shooters who want to keep their heads OFF the stock. In addition, Ryan does not explain that, with a variable power scope, proper eye relief may change considerably with the level of magnification. If you have an 8-32X scope, for example, you can set everything up perfectly for 8X magnification, only to find that you need a LOT more eye relief at 32X. We recommend positioning the scope so it provides sufficient eye relief at the highest magnification you regularly use.
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Tags: Eye Relief, NSSF, Scope, Scope Leveling
What brand of sling is that?
It’s better to set scope elevation plumb rather than fiddling with any straight edge assumptions of it.
Overall, good information, but I mount the scope, but not tight at home, take the required tools with me to the range & level the reticle with a plumb line at 100 yards or so. Hang a weighted string & use it for vertical, verify the target (top edge) or the wood frame is level, using a carpenters level and verify the horizontal.
I’ve used this method, and can say that it’s the quickest way I’ve found to get very close to level. In fact, on my bench rifle, that’s all I did. I never verified it with any other method. It’s been that way for a couple years now.
the plumb line method that fdshuster posted above is the best way I’ve found to get them perfectly straight.
Depending on what you’re using the rifle for, the steel plate method might be more than sufficient, and literally takes about 3 seconds to do.
“the plumb line method that fdshuster posted above is the best way I’ve found to get them perfectly straight.”
AGREED. I also take with me to the range, a wide popsickle stick with a small square level glued to it at one end. Use it as described.