Re: Nikon Buckmaster 6-18X40 with 1/8MOA? HELP???
I have the 4.5-14x mildot model which is similar, and did a lot of checking on the very model you're looking at before snagging a Vortex Viper instead. The Buckmaster tracks very well, and the glass is decent for the price. Like the rest of the Buckmaster/Omega/TurkeyPro lines, it will develop a bit more tunnel vision than other brands of scopes, due to Nikon's design (a narrower field stop aperture I believe). The offset for this is that it has considerable depth of field, but a small apparent FOV.
The side parallax adjustment works very well.
The mil reticle is in the SFP as mentioned. You can only use it to range at 12x unless you want to factor the subtension changes into your ranging math.
You'll get both low, high profile and wide target turrets with the 6-18x, which is nice.
With its narrow FOV and higher power, its primary purpose is as a varmint rifle scope. With the 1/8 MOA clicks,it's optimal for hitting very small targets at medium ranges, rather than large targets at very long range like a true tactical scope. When shooting at a 3" wide prairie dog at 300yds, 1/4" MOA adjustments are just a bit on the coarse side (though certainly workable). For an 18" target at 1000yds on the other hand, 1/8 MOA clicks would be awful. You'd have to spin that turret like a roulette wheel.
