Thursday, April 30, 2026
HomeUncategorizedThe Fastfire 4 - A Budget Blasting Red Dot

The Fastfire 4 – A Budget Blasting Red Dot

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Estimated reading time: 6 minutes

The Burris Fastfire series are some of the original, affordable micro-sized red dots. They’ve been around long enough to use the Docter footprint still. They’ve recently reached their 4th generation in the form of the Fastfire 4. I have had a special relationship with the Fastfire series for some years now that dates back to the Fastfire 3.

Years and years ago, I wasn’t quite sold on the idea of red dots mounted to a handgun. At least not sold enough to purchase something premium like a Trijicon RMR. One day at a local gun shop, the owner was clearing out some demo units, one being the Fastfire 3, for a very small sum of money. I said to hell with it, and I’ve been using that Fastfire 3 for nearly a decade now. 

The Fastfire 3 proved itself to be quite useful, and I used it extensively for reviewing guns. It’s been moved from rifles to handguns and large-format pistols and shotguns. It’s been zeroed and rezeroed over and over again and never let me down. 

I approached the Fastfire 4 with a good degree of excitement. I loved the Fastfire 3 and would hope the Fastfire 4 lives up to its reputation. The optic seems to retail between 280 and 300 dollars, planting it in the budget category. 

The Fastfire 4 – Diving In

The Fastfire 4 sticks to roughly the same size constraint, but the window does appear to be slightly larger than the other Fastfires and larger than most. At 1.1 inches wide and .75 inches tall, the window stands out amongst its competitors. A wide window does give you a bit more room to make mistakes with your pistol presentation and to find the dot quickly. It remains light at 1.6 ounces. 

We are stuck with the Docter footprint, which isn’t exactly common or popular anymore. It works, and Burris does send the Fastfire with a Picatinny mount. It’s workable with most multi-mount systems, including the Glock MOS system. I used it primarily on a Beretta PMXs with the Picatinny mount. 

Fastfire 4 Red Dot in front of grass

We get four brightness options that keep things very simple. It rotates between low, medium, high, and automatic modes. The automatic mode adjusts itself based on the ambient light and self-adjusts. I prefer manual for defensive firearms, but automatic is fine for other shooting ventures. 

One of the more interesting features is the weather shield. This weather shields screws onto the optic and creates what’s essentially an enclosed emitter design. It’s a rather clever and certainly welcome feature. With an enclosed emitter optic, rain, snow, and similar debris can’t get between the emitter and the lens. This creates a much more reliable option all around. Also, they smartly set the lens a bit further back into the optic, which shields it from frontal impacts. 

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