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Compact black matte red dot sight with integral Picatinny mount, 1.75 inches long

Burris

Burris FastFire III 8 MOA Red Dot Sight 300236

SKU CH-F377-8GJQH

Compact 1.07× red dot sight with 8 MOA dot, Picatinny mount, 3° elevation range and automatic brightness sensor

  • Part type or number300236
  • Overall magnification1.07x
  • Product typeRiflescopes & sights
  • DetailsElevation Adjust Range: 3° or 190 in @ 100 yds
  • Key featuresSmaller, lighter in weight and more compact than most red do
  • Compact 1.07× optic keeps rifle handling quick
  • 8 MOA dot speeds target acquisition at close range
  • Integral Picatinny mount attaches directly without extra hardware
  • CR2032 battery powers sight with auto brightness sensor
  • Waterproof housing protects internals in wet conditions

Compact red-dot sight for close-range shooting

The Burris FastFire III 300236 delivers a 1.07x magnification with an 8 MOA red dot, suited for rapid target acquisition on rifles or shotguns. An integral Picatinny mount clamps directly to standard rails, and the unit weighs 1.0000 ounce. A single CR2032 lithium battery powers the sight, which includes an on/off switch and an automatic light sensor for brightness adjustment.

Consistent zero retention through extended sessions

Elevation adjustment spans 3° or 190 inches at 100 yards, while full windage and elevation controls are lockable to prevent drift. The top-mounted battery compartment allows changes without removing the optic, preserving zero during long range days. Waterproof construction protects internal electronics from moisture and recoil vibration across repeated strings of fire.

Interface limits defined by Picatinny footprint

The 1.75-inch length, 4.70-inch width and 5.95-inch height set the rail space required, so handguards with less forward clearance will not accept the mount. An 8.0000 MOA dot covers roughly eight inches at 100 yards, limiting precision on small distant targets. Three manual brightness levels plus automatic mode cover most lighting, but the fixed reticle cannot be swapped for finer aiming points.

How it compares

Measured against everything we stock in Binoculars, Scopes & Sights, at today’s prices. Recalculated every night.

Price $174.99
Pricier than about 63% of the 1,401 comparable items (median $93.99).

Specifications

Product
Brand nameBurris
Model nameFASTFIRE III 8MOA DOT PICATINNY MOUNT
Part type or number300236
Product typeRiflescopes & sights
More details
Overall magnification1.07x

Questions about this item

How much heat or power draw should I expect from the FastFire III when it runs all day on a single CR2032?

The sight draws very little power from its CR2032 lithium cell; the automatic light sensor and three manual brightness levels keep consumption low, so the battery lasts through extended daylight use without noticeable heat.

What do I already need on my rifle to attach the integral Picatinny mount?

A standard Picatinny rail on the firearm is all that is required; the sight clamps directly to it with no extra rings or bases.

Will the 8 MOA dot and 1.07× magnification work with my existing iron sights for co-witnessing?

The 1.07× optic and 8 MOA red dot sit high enough on the integral Picatinny mount to allow a lower-third co-witness with most standard AR-15 height iron sights.

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