3x21 Red Dot Magnifier with Flip to Side QD Mount, Reflex Sight Magnifier for 20mm Weaver Picatinny Rails

$59.99 $69.99
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3x21 Red Dot Magnifier with Flip to Side QD Mount

3x21 red dot magnifier is here to serve! Place this compact and dependable optics magnifier behind your red dot or reflex sight to instantly magnify your target 3 times. With a comfortable 2.7-inch eye relief, the eyepiece provides a wide field of view of sharp and clear images, enabling quick target acquisition without eyestrain for mid to long-range shooting. The knurled ring on the eyepiece offers convenient adjustment from -2 to +2 diopters, correcting your vision for a clear, focused view without glasses. When you're done and have a closer-range target, the built-in flip-to-side mount offers maximum flexibility to move this monocular magnifier out of the way. Our rifle sight accessory's anodized aluminum construction resists shock, wear, tear, and corrosion; the multicoated lenses let you enjoy nonscratch performance and a clear field of view at all times; and the simple windage and elevation adjustments will have you set up and ready to go in no time, with no tools needed.

Fitting any firearm with a standard 20mm Picatinny or Weaver rail, our red dot magnifier with quick-release flip mount is an indispensable addition to your standard red dot or reflex sights, working with long guns including rifles, carbines, shotguns, and more. Whether you're looking for home defense or tactical training help, shooting fun, or hunting accessories, Pinty's red dot magnifier is your best choice to get more range out of your standard sights.

 (Cooperation with Gunnr)


  • 3x21 MAGNIFIER: Pinty's versatile 21 mm red dot magnifier with flip-to-side mount is an indispensable tool, handy at a moment's notice—quickly flip into place for accurate mid to long-range shooting and to the side for closer-range target
  • CLEAR & WIDE VIEW: The eyepiece's comfortable 2.7-inch eye relief provides a wide field of view for quick target acquisition without eyestrain, while the eyepiece's -2 to +2 diopter corrects your vision for a focused image without glasses thanks to the handy adjustment ring
  • EASY OPERATION: The convenient flip-to-side scope easily hooks onto your 20mm Picatinny or Weaver rail thanks to its quick detach mount; its intuitive design, clear instructions, and simple windage and elevation adjustments will have you ready to go in seconds
  • RUGGED CONSTRUCTION: Premium aluminum ensures light weight and durability, with its natural corrosion resistance improved by the black anodized finish; the lenses are carefully ground and fully multicoated to remain scratch-resistant and crystal clear
  • SATISFACTION GUARANTEED: Pinty backs this firearm accessory with our usual strong warranty and friendly 24/7 customer service, ensuring that you'll enjoy its use for years to come!
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Quick Diopter Setting

Comfortable 2.7-inch eye relief. Easily dial from -2 to +2 diopters with the knurled adjustment ring on the eyepiece to enjoy a clear and focused view without glasses.

Convenient Flip-to-Side QD Mount

The flip-to-side mount quickly attaches to 20mm Picatinny and Weaver rails to offer a magnified view and easily flips to the side for close-range shots.

Elevation & Windage Adjustment

The tool-free elevation and windage adjustments allow you to precisely and easily set everything up, ensuring accurate aim for each target without losing zero. 

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  • Material: Aluminum Alloy, Black Oxide
  • Finish: Matte Black
  • Overall Dimensions: 4.2 x 1.5 x 1.7 in. (10.7x3.9x4.2 cm)
  • Center Height: 1.9 in. (4.8 cm)
  • Magnification: 3x
  • Objective Lens Dia.: 0.8 in. (21 mm)
  • Eye Relief: 2.7 in. (69 mm)
  • Diopter Adjustment: +/- 2D
  • Net Weight: 9.8 oz. (279 g)
  • Warranty: 6 mo.

After easily installing our 00H6 3×21 magnifier behind your sight, use the straightforward windage and elevation adjustments to get zeroed in and ready for your target in no time! Our magnifier forms an absolute co-witness system with most holo sights and reflex sights thanks to its 38 mm center height, while an extra 7 mm riser shim is provided to align this magnifier with higher sights for greater versatility.

3X Red Dot Magnifier with Flip to Side QD Mount, Reflex Sight Magnifier for 20mm Picatinny Rails, Monocular Gun Accessory with Multicoated Lenses +/-2 Diopters for Rifles and More

Package includes

  • 1 x Red Dot Magnifier
  • 1 x Flip-to-Side Mount
  • 1 x 7mm Elevation Shim
  • 1 x Hex Wrench
  • 4 x Bolts
  • 1 x Cleaning Cloth

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