ULTRADYNE C4 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. - 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)
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