C4 Precision Folding Rear Sight

Rock-solid performance in a compact form-factor with elevation adjustment from 200 to 600 yards. An integral part of the C4 Sight System, best paired with the C4 Precision Folding Front Sight.
$154.00

The Dynalign sight picture provides more accurate and faster target acquisition, using a purely concentric sight picture that is similar to that used by Olympic target shooters.  Unlike red-dot or holographic sights, this sight picture does not obscure the target and actually enhances visibility due to the optical characteristics of apertures.

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.

The C4 REAR SIGHT is a high quality folding rear sight that was engineered with accuracy in mind. Features include:

 



DYNALIGN SIGHT PICTURE TECHNOLOGY
Ultradyne exclusive alignment for accurate and immediate acquisition.


ONE-HANDED DEPLOYMENT AND STOWAGE
Postive detent allows operation without manipulation of buttons or latches.


SUPERIOR SIDE-ADJUST ERGONOMICS
Rapid windage and elevation adjustment from 200 to 600 yards at your fingertips.


INTERCHANGEABLE APERTURE
Spare aperture conveniently threads into windage knob until needed.


100% CNC MACHINED IN THE USA
American-made quality.

 

C4 Precision Folding 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)