The SHEPHERD 3-10x40 P2 Dual Reticle System Rifle Scope (310-P2) works on everything from a .223 varmint load to a 338 Win., 250 grain bear stopper.
The model 310-P2 has 18" range-finding circles that feet deer and military silhouettes. Please note that circles can be adjusted up or down to accomodate faster or slower loads.
Drop figures in inches from 100 yds / zero to the center:
Here is a selection of the most common calibres which Shepherd Model 310-P2 is calibrated for:
7.62 x 54 R
300 H&H Mag
Why some scopes lose their zeros and some don't? Rule #1 is: In order for a scope to lose its zero, something between the reticle and the target must move. Rule #2 is: In order to see what moved you need two reticles, each one to track the other.
The old type German scopes put the cross hair in the front focal plane. They hardly ever lost their zeros because the only thing between the reticle and the cross hair was the objective lens. The drawback was that the reticle magnified when zoomed and blocked out long-range targets. Americans put the reticle in the rear focal plane where it would not magnify. The main drawback with this was that it put about three more lenses between the reticle and the target. The American system was then three times more likely to lose its zero. The American was more convenient but the German system was more reliable.
Shepherd Rifle Scope gives you the best of both worlds with the drawbacks of neither. Sheperd uses the front focal plane location for rangefinding and bullet drop compensating circles. This gives Shepperd Scope the German dependability and, when zoomed, the circles do not block the targets but instead frame them and give you instant target engagement on any power. Then put the cross hair in the rearfocal plane (where the Americans do) in order to get the benefits of a nonmagnifying reticle. This patented Dual Reticle System lets each reticle monitor the other and thus allows for: one shot zeroing in, "at a glance" verification of the original zero, and visual confirmation of windage and elevation adjustments before you shoot. The Shepherd is truly the most reliable of all and the only one to tell you if something is out of zero before you shoot.
Objective Lens Diameter, mm
Field of View (FOV) @ 1000yds, ft
Stadia Size, in
40mm Adjustable Objective
25' to infinity
Zero-in with 1 shot
Bad light shooting
World's fastest rangefinding and bullet drop compensation
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