Riflescope - RS.1 - 2.5-15x44 FFP


Only 1 piece in stock!

The RS.1 Riflescope, a scope designed specifically for hunters who require increased precision and flexibility to cover a variety of hunting situations. This purpose-built rifle scope features a first focal plane, a 2.5-15x zoom range, side parallax adjustment, and the freedom to dial optional custom-cut and MOA turrets. With a broad magnification range and precision dialing capabilities, the RS.1 is our recommended rifle scope for all eastern and western big game species.

Just like all rifle scopes in the RS Series, the RS.1 features crystal clear ED glass for tack-sharp clarity, a silky focus mechanism, precision-milled adjustments, solid click detents, and durable anodizing to resist heavy use.

The Maven RS Series represents our elite line of rifle scopes, designed to fit your specific needs, delivered for a fraction of the cost to comparable rifle scopes and stacks up with the most celebrated and expensive scopes in the world. Our modern sportsman inspired designs paired with the best available materials and state of the art technology create an uncompromising optic that meets the demands of the modern hunter.

Includes neoprene cover

-Premium Model
-Size: 14.1 in.
-Weight: 24.5 oz.
-First Focal Plane
-0.25 MOA/click
-2 Reticle Options: MOA and SHR-2
-Extra-Low Dispersion ED Glass
-Exceptionally Clear, Bright, High Contrast Image
-Excellent Color Fidelity
-Phase Correction Coating 
-Waterproof and Fog Proof
-Lifetime Warranty

Riflescope Comparison Chart (PDF)
Riflescope Manual (PDF)

Focal planeFirst
Magnification range2.5x - 15x
Obj. lens diameter44mm
Tube diameter
30mm / 1.18in

Objective outer diameter

Eyepiece outer diameter43.6mm
Overall length357mm / 14.05in
Weight (without battery)24.5oz /694.5g
Internal adjustment range (MOA)
   Elevation MOAtotal 100 MOA
   Windage MOAtotal 70 MOA
Click value0.250 MOA
Adjustment per turret revolution20 MOA

Parallax adjustment10y - Infinity

Exit pupil diameter@2.5x: 28.5mm@15x: 2.93mm
Eye relief@2.5x: 86-100mm@15x:86-100mm
Field of view @ 100y@2.5x: 41.7ft@15x: 7.0ft
Front/Rear mounting lengthF: 54.5mm
Effective objective lens diameter@2.5x: 28.5mm
        @15x: 44.0mm
Field of view@2.5x: 7.95°
@15x: 1.35°
Field of view, apparent
@2.5x: 19.7°

@15x: 20.0°
Diopter correction (dpt)+/-2
Light transmission89.00%

Twilight factor
        @2.5x: 8.4

        @15x: 25.7
Functional temperature


Submersion tightness / waterproof rating3m depth
Gas purgedNitrogen
Reticle constructionEtched glass
Reticle optionsMOA/SHR/

Illuminated reticle Y/NNo
OriginMade in Japan

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