1-4x20 Tactical Scope

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$49.99 - $99.95
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Monstrum now offers a lifetime warranty on all our products. If your product fails you in any way, contact us with your order number. We will either fix it or send you a replacement of equal or greater value.


  • Includes: 1-4x20 Scope, Scope Rings, Detachable Throw Lever, CR1632A Battery, Lens Cloth, Lens Cover
  • Reticle: Illuminated Rangefinder
  • Materials: 6061 Aircraft Grade Aluminum
  • Compatibility: Rifles with Picatinny Rails
  • Scope Range: Close to Mid Range, 200+ Yards
  • Magnification: 1-4x
  • FOV (@ 100 yards): 105.8 - 27.5 ft
  • Objective Diameter: 20 mm
  • Rail Mount Torque: 30 in/lbs
  • Scope Ring Torque: 18 in/lbs
  • Tube Diameter: 1 in
  • Eye Relief: 3.5-3.8 in
  • Weight: 11 oz
  • Length: 8.5 in
  • Color: Black or Flat Dark Earth
  • Fog & Water Resistance: Yes (Nitrogen Sealed)
  • Warranty: 1 Year
  • Download Product Manual

The Monstrum Tactical S1420-R-RG is a reliable tactical scope great for close to mid-range shooting. Crystal clear optics with 1-4x magnification and included throw lever makes adjustments easier. This scope has a functionally designed Rangefinder reticle for faster range estimation and holdover correction. The etched black reticle is always visible without illumination or can be lit red or green for better reticle visibility at night or low light environments.


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