Red Dot

Red Dot Sights Collection

Speed up your target acquisition with our selection of red dot sights built for real-world performance. We carry open and enclosed optics from Holosun, Aimpoint, Steiner, and Sightmark that fit pistol slides, AR-15 flat-tops, and tactical rifles. You’ll find options ranging from solar-powered reflex sights with multi-reticle systems to fully enclosed pistol dots with shake awake technology. Dot sizes span 2 to 6 MOA to match your shooting style, and solar failsafe models keep you shooting even when the battery dies. Whether you’re running a Glock MOS or a milled Sig, these sights deliver the edge you need.

What Are Red Dot Sights?

A red dot sight projects an LED-powered aiming point onto a lens, letting you shoot with both eyes open for better situational awareness. Red dots come in two main styles. Open emitter designs save weight and sit lower on the slide or rail. Enclosed models protect the LED from dirt and debris with a fully sealed housing. The footprint determines mounting compatibility most modern pistol slides accept RMR or similar micro footprints, while rifle-mounted sights attach directly to Picatinny rails. A micro red dot weighs around 1 ounce and adds minimal bulk to your carry gun or patrol rifle.

How Red Dots Work

The lens creates a parallax-free dot that stays on target regardless of eye position behind the optic. Most models offer 2 to 6 MOA dot sizes smaller dots work for precision shooting, larger ones help with fast acquisition under stress. Auto-brightness sensors adjust dot intensity based on ambient light. Solar panels on Holosun models provide backup power so a dead battery never leaves you without a dot. Shake awake technology puts the sight to sleep after a few minutes, then instantly activates when you move the firearm. Battery life runs 50,000+ hours on a single cell with these features active.

Enclosed variants like the H-SUN 509T X2 and Aimpoint ACRO P-2 add full housing protection for duty and outdoor use. Open reflex models like the H-SUN SCRS keep weight and profile minimal for everyday carry pistols. Match your pistol’s factory cut or use adapter plates for proper mounting.

Performance Benefits

These optics handle serious use. Housings are machined from aluminum or titanium for impact resistance. IP67 waterproof ratings mean submersion won’t kill them. You’ll see faster hits compared to iron sights because the dot appears in the same focal plane as your target. Open reflex sights work well in bright conditions, while enclosed models like the Aimpoint ACRO P-2 and Steiner Micro Pistol Sight prevent lens contamination in sandy or dusty environments. Night vision compatible brightness settings let you run passive aiming devices. A properly mounted 2 MOA dot holds zero through thousands of rounds.

Choosing Your Red Dot Sight

Start with your firearm’s factory optic cut. For concealed carry pistols, the H-SUN SCRS Red 2 MOA Solar delivers an ultra-slim profile with solar backup power ideal for MOS-cut Glocks and optic-ready Sig P320 slides. If you shoot in dusty ranges or outdoor environments, the enclosed H-SUN 509T X2 prevents debris from blocking the emitter and adds a multi-reticle system for faster target acquisition. For duty-grade reliability on a pistol or carbine, the Aimpoint ACRO P-2 at $935.99 delivers 5-year battery life and bombproof construction used by military and law enforcement. Budget around $230 for quality solar-powered options, or step up to $430–$936 for fully enclosed premium performance.

Installation and Maintenance

Torque your red dot to 15 inch-pounds using the screws provided. Apply blue thread locker to prevent loosening from recoil. Zero at 10 to 25 yards depending on your typical engagement distances. Most shooters prefer a 15-yard zero for defensive pistols. Clean the lens with a microfiber cloth and avoid touching the glass with your fingers. Check battery status once a year and keep a spare in your range bag. On solar models, verify the panel is clean and unobstructed for reliable backup charging. Inspect mounting screws after the first 200 rounds, then annually.

Shop Our Red Dot Sights Collection

DM Firearms stocks the H-SUN SCRS Red 2 MOA Solar at $229.99, the H-SUN 509T X2 at $429.99, the Steiner Micro Pistol Sight at $435.99, and the Aimpoint ACRO P-2 at $935.99. Orders ship fast from our Riverside, CA warehouse. Browse by footprint, dot size, or feature like solar backup and shake awake to find your match across 165 red dot options in stock.