C&H Precision ERD-MAX Enclosed Rifle Dot mounted on a tactical carbine picatinny rail showcasing the 30mm objective lens.
Expansive situational awareness meets enclosed emitter durability: field testing the C&H Precision ERD-MAX.

Modern carbines, pistol-caliber carbines (PCCs), and personal defense weapons (PDWs) demand optics that balance lightning-fast reticle acquisition with rugged, environment-proof reliability. While open-emitter red dots can suffer from lens obstruction due to rain, mud, or debris, smaller micro-enclosed dots often restrict the shooter’s field of view. Addressing this balance of speed and housing protection, C&H Precision has officially released the ERD-MAX Enclosed Rifle Dot. Featuring an expanded 30mm objective lens housed inside a fully sealed optic body, the ERD-MAX is built specifically to provide broad situational awareness while protecting critical illumination components from extreme field environments.

The C&H Precision ERD-MAX Enclosed Rifle Dot pairs a 30mm objective lens with a sealed 6061-T6 aluminum housing, multi-reticle configuration (2 MOA dot / 22 MOA circle), and a 50,000-hour battery runtime.

Build Specifications At-A-Glance

  • Optical Platform & Lens: 1x magnification reflex sight featuring an extra-wide 30mm objective lens with parallax-free alignment at 100 yards.
  • Emitter Architecture: Fully enclosed LED emitter protected against environmental debris, water, and direct impact.
  • Chassis Metallurgy & Rating: CNC-machined 6061-T6 aircraft-grade aluminum single-piece body; shockproof rated for +P, +P+, 5.56 NATO, and .308 Winchester recoil.
  • Environmental Sealing: IPX7 waterproof rated (submersible up to 1 meter for 30 minutes).
  • Reticle Configurations: User-selectable multi-reticle system containing a 2 MOA center dot and a rapid-acquisition 22 MOA ring.
  • Turrets & Adjustment: Tactical 1 MOA per click adjustments with 45 MOA travel (90 MOA total windage/elevation range).
  • Power & Illumination Mechanics: Single CR2032 battery offering up to 50,000 hours runtime; features 10 brightness settings (including 2 night-vision levels) and motion-sensing shake-awake / auto-sleep after 5 minutes.
  • Mass: Approximately 283 grams (10.0 oz) with battery installed.

Handling Dynamics and Practical Utility

In tactical movement and field shooting drills, the defining feature of the ERD-MAX is its large 30mm aperture. When shooting dynamically around barricades or from awkward support positions, traditional small tube sights can lose the dot if facial alignment isn’t perfectly centered behind the optic. The 30mm glass portal drastically expands the visual eyebox, allowing shooters to pick up the reticle rapidly during snap presentations from low ready.

The reticle control provides versatile sight picture options. Shooters can deploy the precision 2 MOA dot for zeroing and extended engagements out to 200+ yards, or switch to the 22 MOA circle combination for high-speed, close-quarters transitions on PCC platforms.

The motion-sensing power management system eliminates the need to remember manual power switches during sudden deployments. After five minutes of immobility, the sight enters auto-sleep to preserve battery life, instantly snapping back to the pre-set illumination intensity the moment the rifle is moved. Furthermore, the single-piece 6061-T6 body handles heavy recoil impulses up to .308 Winchester without zero shift or structural flex.

Target Operator Professional Profile

The ERD-MAX is built for law enforcement officers, home-defense carbine owners, and PCC competition shooters needing an expansive field-of-view red dot backed by an environment-sealed housing.

Competitive Market Landscape

Unlike open-emitter carbine optics that risk emitter failure in wet or dirty conditions, the ERD-MAX combines the sealed housing security of traditional tube optics with an extra-wide 30mm objective lens, outperforming typical 20mm micro-dots in target acquisition speed.

Definitive Field Assessment

The C&H Precision ERD-MAX Enclosed Rifle Dot brings exceptional optical real estate to the hard-use rifle category. By pairing a 30mm window with high-recoil housing durability and smart motion management, C&H Precision delivers a fast-tracking, duty-ready optic for modern long guns.

Product Specification Summary Table

Specification / FeatureC&H Precision ERD-MAX Enclosed Rifle Dot
Optic Type / ObjectiveEnclosed Red Dot / 30mm Aperture Lens
Housing ConstructionOne-Piece CNC Machined 6061-T6 Aluminum
Recoil & Sealing RatingRated to .308 Win / IPX7 Waterproof (1m for 30 min)
Reticle DesignMulti-Reticle (2 MOA Center Dot + 22 MOA Outer Circle)
Illumination Settings10 Settings (8 Daylight / 2 Night-Vision Compatible)
Power System / LifeCR2032 Lithium Battery / Up to 50,000 Hours (Motion Sensor)
Weight~283 grams (10.0 oz with battery)

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