551.A65/1
NSN 1240-01-485-0441
A lighter, smaller version of the
Model 552, the Model 551 offers the same durability and function, but in a more compact unit. At 4 inches in length, this
sight takes up less valuable rail space, leaving more room for a rear iron sight or NV mount.
· N
Battery
· 65 MOA circle with 1 MOA aiming dot reticle pattern
· Compatible
with Gen I-IV Night Vision Systems (tandem operation)
·
Includes rugged aluminum hood assembly and knobbed tool-less
mounting bolt
·
Interfaces to standard 1" Weaver dovetail / Picatinny
rail
Operation
· Optics: Transmission holography
- 100% parallax free
·
Magnification: 1x
· Eye Relief: Unlimited
· Length/Width/Height: 4"x1.8"x2.25" (102x49x60 mm)
· Weight: 8.8
oz (250 grams)
·
Temperature: -20 to 140 F
· Waterproof: Submersible
to 33 ft depth
·
Sealing: Fogproof internal optics
· Color/Finish:
Non reflective black with hard coat finish
· Adjustment (per click):
0.5 MOA (1/2" at 100 yds)
·
Adjustment Range: +/- 40 MOA travel
· Mount: Picatinny
(MIL-STD-1913) rail
·
Return to Zero: Repeatable to 2 MOA after re-mounting
Heads-Up-Display
Window
·
Optical Surfaces: Anti-glare coating
· Window Dimensions:
1.20" x 0.85" (30 x 23mm)
·
Front Window Material: 1/8" solid glass
· Rear Window Material: Shatter resistant laminate (3/16" thick)
· Field of View (100 yds):
30 yds (28m) at a 4" eye relief
·
Standard Reticle: 65MOA circle with quadrant ticks with 1 MOA aiming dot
Electrical
·
Brightness Adjustment Range: 110,000:1 brightest to lowest
· Night Vision Brightness Range: 1000:1 with NV switch engaged
· Power Source: 2x N type
1.5V alkaline batteries (3.0V)
·
Battery Life: 200 continuous hours at nominal setting 12
· Brightness Settings: 30 settings with scrolling feature (10 settings for NV use)
· Auto Battery Check Indicator: Flashing reticle upon start-up
· Auto Shut-down: At 8 hrs-
programmable to 4 hrs
