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Vortex

Vortex Spitfire HD Gen II 3x Prism Scope, SPR-300

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

3x Prism

A 21mm objective lens and

Hd Optical

FMC lens coating

Includes Lower

1/3 co-witness and low mount

Waterproof, Fogproof,

Nitrogen purged construction

2.6-inch Eye

Relief and 37.9-foot field of

$399.99
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SKU: SPR-300-843829115025

Overview

Built for shooters who want a compact optic with a fixed 3x view, this prism scope is suited to close- to mid-range use on AR-style setups. The AR-BDC4 red reticle, 2.6" eye relief, and included low and lower 1/3 co-witness mounts give it flexibility for different rifle configurations. Its HD optical system, FMC lens coating, and nitrogen-purged construction are paired with waterproof and shockproof protection for use in demanding conditions. The included lens covers, multi-tool, cloth, and CR2032 battery make it ready to mount and set up right out of the box.

Why Hunters Choose the Vortex

Hd Optical

Fully multi-coated lenses

3x Magnification

In a compact prism scope

Ar-bdc4 Red

Reticle for quick aiming reference

Includes Lower

1/3 co-witness and low mount

Waterproof, Fogproof,

Shockproof construction

Key Features

  • 3x prism scope with a 21mm objective lens and AR-BDC4 red reticle
  • HD optical system with FMC lens coating
  • Includes lower 1/3 co-witness and low mount options
  • Waterproof, fogproof, and nitrogen purged construction
  • 2.6-inch eye relief and 37.9-foot field of view at 100 yards
  • Includes rubber lens covers, T10 Torx multi-tool, lens cloth, and CR2032 battery

Best Used For

  • Ideal for hunters wanting a compact 3x prism scope for close- to mid-range shooting setups.
  • Suited to AR owners who want a red reticle and included lower 1/3 co-witness or low mount options.
  • Good for users who prefer a fixed-magnification optic with simple, straightforward sighting.
  • Appropriate for field use where waterproof, fogproof, and shockproof construction are important.
  • Useful for shooters who want a compact optic with included lens covers, battery, and tool.

Specifications

Adjustment Graduation1 MOA
Battery TypeCR2032
Eye Relief2.6"
FogproofYes
Height1.8"
Included AccessoriesRubber Lens Covers, T10 Torx Multi-Tool, Multi-Height Mount System - Lower 1/3 Co-Witness & Low Mount, Lens Cloth, CR2032 Battery
Length3.0"
Lens CoatingFMC
Linear Field Of View 100 Yards37.9'
Magnification3x
Objective Lens Diameter21mm
Optical SystemHD Optical System
Parallax Setting100 yds.
ReticleAR-BDC4
Reticle ColorRed
ShockproofYes
Total Elevation Adjustment250 MOA
Total Windage Adjustment250 MOA
Travel Per Rotation42 MOA
WaterproofYes
Width2.0"

Pros

  • HD optical system with fully multi-coated lenses
  • 3x magnification in a compact prism scope format
  • AR-BDC4 red reticle for quick aiming reference
  • Includes lower 1/3 co-witness and low mount options
  • Waterproof, fogproof, and shockproof construction
  • Comes with lens covers, lens cloth, battery, and T10 tool

Considerations & Trade-offs

  • The 3x magnification and 21mm objective lens make this a compact prism scope, so it is more specialized than a variable-power optic for users who want broader magnification flexibility.
  • Eye relief is listed at 2.6", so mounting position and head placement matter more than with optics that offer more forgiving eye relief.
  • The reticle is red and battery-powered, which adds visibility options but also means the optic depends on a CR2032 battery for illuminated use.
  • The included mount system offers both lower 1/3 co-witness and low-mount options, but setup still requires choosing the configuration that best matches the rifle and intended use.

Suggested Comparisons

  • Red dot sights
  • Low-power prism scopes
  • Magnified rifle scopes
  • Backup iron sights

Suggested Accessories

  • Lens covers
  • Mounting hardware
  • CR2032 battery
  • Lens cleaning cloth

Frequently Asked Questions

What comes in the box with the Spitfire HD Gen II 3x Prism Scope, SPR-300?

The listed contents are rubber lens covers, a T10 Torx multi-tool, a multi-height mount system with lower 1/3 co-witness and low mount options, a lens cloth, and a CR2032 battery.

What magnification and reticle does this prism scope use?

It has 3x magnification and uses the AR-BDC4 reticle in red.

What are the key optical specs hunters should know?

The listed optical specs are a 21mm objective lens, 37.9 feet of linear field of view at 100 yards, and 2.6 inches of eye relief.

Does this scope have adjustable windage and elevation?

Yes. The listed adjustment graduation is 1 MOA, with 42 MOA travel per rotation, 250 MOA total elevation adjustment, and 250 MOA total windage adjustment.

Is the Spitfire HD Gen II 3x Prism Scope built for harsh weather use?

The provided specifications say it is waterproof, fogproof, nitrogen purged, and shockproof. Beyond those listed features, no additional durability details are provided.