ELCAN scopes we require an End User Certification
Elcan SpecterOS Scope 3.0x 5.56 NATO ATOS3.0B2
The ELCAN SpecterOS 3.0 3x Combat Optical Sight ATOS3 5.56, Picatinny Flat Top Mount (ATOS3.0B2) is a lightweight and rugged 3x sight designed for modern military and security applications.
Incorporating an illuminated reticle with range finder and proprietary Rapid Aiming Feature, the SpecterOS 3.0 has the unique ability to offer rapid engagement in CQB applications while providing precise aiming at distant targets.
A one-piece aluminum housing coupled with shock-absorbing rubber bumpers enable the sight to withstand the severe stresses of modern tactical scenarios. The device can be supplied with a ballistically-calibrated reticle and may be mounted directly to flat-top receivers. Optional MIL-STD-1913 auxiliary mounting rails enable flexible mounting solutions for other accessories.
The SpecterOS 3.0 is built to stringent quality assurance standards in Canada's most advanced optical manufacturing facility and is specifically designed for use by the most demanding customers.
The SpecterOS 3.0 Combat Optical Sight is covered with a one-year warranty against manufacturing defects.
Field of View (FOV), degrees
Exit Pupil, mm
Eye Relief, mm
11 visible, 3 night vision
Fixed Focus Range, m
20 to Infinity
CR 123 (3v Lithium)
3.1 years average
5.56 NATO (in reticle)
0.5 minute of angle
120 minutes of angle
MIL-STD-1913 "Picatinny Rail"
Single wing nut with return-to-zero repeatability
66 ft for 2 hours min
Dimensions (L x W x H), in
5.3" x 2.6" x 3"