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The Knight Vision® UNS-A3 Night Vision Clip-on Weapon Sight adds night vision capability to existing magnified day scopes and is optimized for use with the Trijicon ACOG or any short to medium length rifle scope with a 2X to 12X+ magnification range. The UNS-A3 utilizes a High Performance GEN 3 image intensifier tube in a proven design lightweight portable design, which is ideal for M4 AR platforms with full rails which also have a front sight. The Knights UNS-A3’s patented technology assures the accuracy of your range-tested day scope will note be degraded. The UNS-A3 also features a patented Single Interchangeable Battery (SIB)® which allows the use of either a CR-123 or a single AA battery. The UNS A3 is designed for weapons such as the M4, M16, SR25 and similarly configured rifles.


Standard Accessories: Soft Carry Case, Operator’s Manual, (2) AA Batteries, Demist Shield, Sacrificial Filter for Objective Lens, Head/Helmet Mount Adapter (J-arm), Head-mount Assembly with 3 Brow Pads (Except XLS), Lens Tissue, Neck Cord, Eye-Cup, and Front Lens Cap.

Optional Accessories: Light Weight Sacrificial Window, Picatinny Rail Weapon Mount, Shuttered Eyeguard, Hard Case, 3X Magnifier, 5X Magnifier, Compass Assembly, PASGT Helmet Mount, MICH Helmet Mount, and Camera Adapter.



1 Year

Lens Design

62 mm Refractive Telephoto Lens


1X (Unity)

Focus Range

20 Meters to Infinity

Recognition Range

Standing Man under Starlight: >500m

Standing Man under 1/4 Moon: >700m

Vehicle Under Starlight: >850m

Vehicle under 1/4 Moon: >1000m

Bore Sight

(US Patent 7,143,359) .5 MOA, no change to daysight point of impact

Boresight Retention

0.5 MOA over 300 rounds, 300 WIN MAG firing Schedule

Weapons Certification

Tested for use on weapons up to and including .50 caliber rifles


3 ft. for 4 hours


KAC mount or quick attach / detach to MIL-STD-1913 rail or equivalent

Field of View

Power Source

One standard AA battery, or one 123 battery

Operation Time

AA Exceeds 24 hours, CR 123 battery exceeds 36 hours


Pull On/Off Gain Control Knob, Manual Focus Ring


Flat Black Matte or Desert Sand Brown, Corrosion Resistant. Alternate finishes available.


1.75lbs. (.79 kg)


7.4” (188mm) long, 3.4” (86 mm) high;

1.5” (38mm) to optical centerline

Knights UNS-A3

$9,999.00 Regular Price
$9,724.00Sale Price
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