A variation of the 553 sight with  AA batteries (alkaline, lithium or recgargeable). An all black unit with dual ARMS throw levers with a 7mm raised base, 33 ft. submersion rating.

• AA Battery
• 65 MOA circle with 1 MOA aiming dot reticle pattern
• Compatible with Gen I-III+ Night Vision Systems (tandem operation)
• Includes rugged aluminum hood assembly and knobbed tool-less mounting bolt
• Interfaces to 1" Picatinny (MIL-STD-1913) rail

*** JT'S has tested this sight and loves it, however users who want to co-witness with standard height iron sights will find that because the base of this site is 7mm's higher one's iron sights will reside close to the bottom of their EOTech's glass.***

• Optics: Transmission holography -  parallax free
• Magnification: 1x
• Eye Relief: Unlimited
• Length/Width/Height: 5.5"x1.75"x2.75"
• Weight: 1 lb.,14 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) or Non reflective black with hard coat finish
• Adjustment (per click): 0.5 MOA (1/2" at 100 yds)
• Adjustment Range: +/- 40 MOA travel
• Mount:  Quick release throw levers designed specifically for the Picatinny (MIL-STD-1913) mounting rail: Certain commercial variants of the MIL-STD-1913 rail specifications may not be compatible with the 555.A65/1 mounting assembly. The 555 base consists of (2) ARMS throw levers and is only adaptable to rails that properly accept the ARMS design.
• 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 AA  batteries
• Battery Life: 1000 continuous hours with lithium AA: 600 continuous hours with alkaline AA batteries 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