Operation
- Optics: Transmission holography - 100% parallax free
- Magnification: 1x
- Eye Relief: Unlimited
- Length/Width/Height: 4.9"x1.8"x2.8" (124x49x71 mm)
- Weight: 12.3 oz (349 grams)
- Temperature: -40 to 150 F
- Waterproof: Submersible to 66 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: USSOCOM requirements dictated dual quick release throw levers designed specifically for the Picatinny (MIL-STD-1913) mounting rail:
- Certain commercial variants of the MIL-STD-1913 rail specification may not be compatible with the SU-231/PEQ (M553) mounting assembly.
- The SU-231/PEQ (M553) base consists of (2) ARMS® throw levers and is only adaptable to rails that properly accept the ARMS® design.
- Return to Zero: Repeatable to 1 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: 2 x 123 lithium batteries
- Battery Life: 1100 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
