Sightmark SM26043DE M-Spec M1 FMS | 3 MOA Red Dot

The Sightmark SM26043DE M-Spec M1 FMS is a compact reflex sight designed for use on shotguns, pistols and AR-platform rifles. It offers a 3 MOA red dot reticle at 1x magnification with a 21 mm x 15 mm optical window and a Flat Dark Earth finish. The unit features a durable aluminum housing with a steel protective shield and is specified as waterproof, shockproof and fog proof.

Its feature set and compact footprint make it suitable for competition shooting and hunting where fast target acquisition and minimal parallax are priorities.

Product Specifications

• The model is identified as Sightmark SM26043DE M-Spec M1 FMS.
• The reticle is a 3 MOA red dot for precise point aiming.
• The magnification is 1x for true reflex sight operation.
• The objective/window measures 21 mm x 15 mm to keep the footprint compact.
• The finish is Flat Dark Earth.
• The battery type is a single CR1632 cell.
• The sight offers a stated battery life range of 300–30,000 hours depending on settings.
• The unit includes a 12-hour auto shutoff feature to conserve battery life.
• Windage and elevation are both adjustable with easy click adjustments.
• The adjustment click value is 1 MOA.
• The optical coating is specified as AR Red.
• The sight is rated Waterproof, Shockproof, and Fog Proof.
• The overall length is 1.73 inches.
• The sight weight is 1.50 oz.
• The UPC is 812495023378.

Compact and rugged, the M-Spec M1 FMS balances a small footprint with features aimed at consistent, repeatable performance. The long battery life, ambidextrous digital switch and multiple brightness settings make it practical for extended range sessions and field use where reliable operation and quick acquisition are required.

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