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Ultradyne USA C4 Folding Iron Sights - AT3 Tactical

Ultradyne USA C4 Folding Iron Sights

$119.00
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90 Day No-Hassle Returns We Pay Return Shipping

We have a 90-day no-hassle return policy. We pay return shipping.

If you need to request a return, contact us at support@at3tactical.com and we will send you a return label

After 90 days, defective items will still be covered under the manufacturer’s warranty, where applicable.

Please refer to the product listing for warranty details. If you have specific warranty questions, contact us at support@at3tactical.com. We may direct you to pursue your warranty claim directly with the manufacturer.

Your satisfaction is our #1 priority

If you’re dissatisfied with your purchase, in any way, please contact us at support@at3tactical.com – we will do our best to make it right.

Fast & Free Shipping On orders over $50

You will receive fast, free shipping for all orders over $50

Shipping cost is $7.99 for orders under $50. We ship with UPS or USPS, depending on the item.

Most orders received by 1pm CST ship the same day

You will receive an email with tracking information at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses. Orders placed on weekends, holidays, or after 1pm will ship the following business day.

Optimize Accuracy with a Revolutionary Sighting System

See and shoot the difference with Ultradyne’s Dynalign sighting system, available in front, rear, or full backup sight sets. Most BUIS systems utilize a sight picture that is non-intuitive. The brain’s visual systems are asked to align a circular rear aperture with a rectangular front post shape while simultaneously ignoring the “ears” that protect the front sight post. Dynalign’s circle-within-circle sight picture allows for faster sight picture acquisition. Additionally, the use of a front aperture further reduces parallax effect which makes accuracy less dependent on precise sight alignment. Dynalign is a faster and more accurate sight picture that can improve shooting performance.

C4 Front Sight Features:

  • Outer and inner concentric circles for easy target acquisition
  • Windage adjustable for zeroing on the front sight, which  guarantees that the rear sight windage is perfectly centered when at zero for maximum in windage adjustment in either direction along with easy return to zero
  • Tool-less elevation adjustment that is always perfectly concentric with outer circle
  • Aperture sight gives a shooter the ability to focus 100% on the target
  • Strategic use of materials to maximize strength and weight

C4 Rear Sight Features:

  • A purely concentric sight picture with an inner aperture and outer circle for easy alignment
  • Rapid windage and elevation adjustments
  • Elevation adjustment to 600 yards
  • One-handed deployment and stowage
  • Interchangeable Apertures, .70″, .50″ and a ghost ring
  • Spare aperture conveniently stores into windage knob
  • Strategic use of materials to maximize strength and weight

C4 Front Sight Technical Specs

  • FRONT PIN
    • 12 MOA Dynalign & Front Post Included
    • 8, 10, and 14 MOA Dynalign Available
  • MOUNTING
    • MIL-STD-1913 Picatinny Rail
  • WINDAGE
    • 40 MOA Total
    • 1/2 MOA Per Click
  • ELEVATION
    • 28 MOA Total
    • 1 1/4 MOA Per 1/4 Turn
  • MATERIAL 
    • 4140 CrMo Steel, Salt Bath Nitride Finish
    • 7075 Aerospace Alloy, Hard Anodized
  • MASS 62g | 2.2oz
  • DIMENSIONS
    • 31mm | 1.21in Wide
    • 9.4mm | 0.369in Height (Stowed)

C4 Rear Sight Technical Specs

  • REAR APERTURE

    • Threaded Ghost Ring
    • 0.070″ Included
    • 0.050″ Available
  • MOUNTING
    • MIL-STD-1913 Picatinny Rail
  • WINDAGE
    • 40 MOA Total
    • 1/2 MOA Per Click
  • ELEVATION
    • 18 MOA Total
    • 50 yard BDC clicks to 600 yards*
  • MATERIAL 
    • 4140 CrMo Steel, Salt Bath Nitride Finish
    • 7075 Aerospace Alloy, Hard Anodized
  • MASS 71g | 2.5oz
  • DIMENSIONS
    • 35mm | 1.38in Wide
    • 9.4mm | 0.369in Height (Stowed)

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