Is the reticle on the Burris Fullfield 3-12x56mm E3 Ksb illuminated for low-light hunting?

No, this specific model (BO201540) features a non-illuminated Ballistic E3 reticle and does not require batteries or electrical components. Because it relies purely on the massive 56mm objective lens and fully multi-coated optics to maximize light transmission during dawn and dusk, electrical certifications like SAA or 240V compatibility do not apply to this optic.

What size scope rings do I need to mount this riflescope onto my rifle?

The Burris Fullfield 3-12x56mm E3 Ksb features a 30mm main tube diameter, meaning you will need standard 30mm scope rings for proper mounting. You might also consider pairing it with protective accessories like the Aimpoint 30mm Flip-Up Rear Lens Cover if you prefer objective protection during transport in rough outback terrain.

How does the fixed parallax perform if I want to shoot at extreme long-range distances?

The parallax on this model is factory-fixed at 100 yards, making it optimized for short to medium-range big game hunting in the bush or deep forest. For extreme long-range precision shooting exceeding 400 to 500 yards, a scope featuring an adjustable objective or side parallax adjustment would be required instead.

Can this riflescope handle heavy recoil from magnum centerfire rifle cartridges?

Yes, it is built with a robust single-piece aluminum tube and a double-spring tension turret system engineered to withstand heavy recoil. It is fully rated to handle high-calibre centerfire platforms, including traditional and magnum hunting rifles, without losing zero.

Hunting Riflescope - Burris BO201540

Overview

The Burris Fullfield 3-12x56mm E3 Ksb (Model: BO201540) is a premium, fifth-generation low-light hunting riflescope designed specifically for hunters operating in high-demand, low-light environments such as dawn, dusk, or deep forest canopies. This riflescope features a massive 56 mm objective lens paired with fully multi-coated premium optics to maximize light transmission under poor lighting conditions. Built on a robust 30 mm single-piece aluminum main tube, it utilizes a second focal plane (SFP) non-illuminated Ballistic E3™ reticle. The optical design provides versatile 3x to 12x magnification while maintaining a lighter, shorter profile than previous generations to improve rifle balance and minimize hunter fatigue.

Key Features

Optimized Low-Light Optics: The 56 mm objective lens gathers maximum light, providing a clear target image during twilight hours or under heavy canopy cover.
Ballistic E3™ Reticle: Located on the second focal plane, this non-illuminated reticle features clean holdover marks calibrated for traditional, magnum, and varmint cartridges, providing bullet drop compensation lines at 200, 300, and 400 yards (when zeroed at 100 yards) along with cascading 10-mph crosswind dots.
Burris Knob Synergy® System: Features standard capped turrets with a modular system that allows hunters to upgrade to custom, laser-engraved ballistic knobs or zero-click stop systems.
Heavy Recoil Construction: Built with a double-spring tension turret system and a single-piece aluminum tube to withstand the heavy recoil of magnum centerfire rifles and the sharp dual-recoil of spring-piston air rifles.
Streamlined Form Factor: Weighing 19.7 oz and measuring 11.2 inches in length, this fifth-generation design is explicitly shorter and lighter than older models to reduce bulk in the field.

Product Specifications

Magnification: 3x to 12x
Objective Lens Diameter: 56 mm
Main Tube Diameter: 30 mm
Focal Plane: Second Focal Plane (SFP)
Reticle: Ballistic E3™ (Non-illuminated)
Weight: 19.7 oz (approx. 558.5 g)
Length: 11.2 inches (284.5 mm)
Eye Relief: 3.9 to 4.1 inches
Exit Pupil: 9.7 mm (at 3x) to 5.0 mm (at 12x)
Field of View (at 100 yards): 36.5 ft (at 3x) to 9.0 ft (at 12x)
Click Value: 1/4 MOA
Total Adjustment Capability: 95 MOA (elevation and windage)
Parallax: Factory-fixed at 100 yards (91.4 m)

Who is the Fullfield 3-12x56mm E3 Ksb for?

Dawn and dusk big game hunters — benefits from this low-light hunting riflescope's massive 56 mm objective lens that maximizes light transmission in dim conditions while providing highly versatile 3x to 12x magnification.
Hunters utilizing traditional, magnum, and varmint centerfire rifle cartridges — benefits from a lightweight 19.7 oz design that keeps the overall rifle balanced during active hunts while relying on precise 1/4 MOA click value adjustments to calibrate bullet drop.

Less suitable for: extreme long-range precision shooting exceeding 400 to 500 yards, where a riflescope featuring an adjustable objective or side parallax adjustment is required to eliminate parallax error instead of this fixed 100-yard parallax model.

SKU	BU39415LP
Model #	BO201540
Brand	Burris
Shipping Weight	1.0000kg

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Burris Fullfield Bo201540 Riflescope 3-12x56mm E3 Ksb

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