EOTech 553 User Manual
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The advantage of the reflex sight is that it provides the operator superior shooting
performance, rapid reticle-on-target acquisition, full field of view and accurate shot
placement. The reflex sight can be naturally employed by all levels of users, from
novice to the most highly trained operator.
1.3 Equipment Description
SU-231/PEQ (M553)
Operation
Optics: Transmission holography – 100% parallax free
Magnification: 1x
Eye Relief: Unlimited
Length/Width/Height: 4.9”x1.8”x2.8”
Weight: 12.3 oz
Temperature: -40 to 150 F
Waterproof: Submersible to 66 ft depth
Sealing: Fogproof internal optics
Color/Finish: Flat Dark Earth (non-reflective black on some small components)
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 to the MIL-STD 1913 rail specification may not be compatible
with the SU-231/PEQ (M553) mounting assembly.
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