

Application Scenarios
Civilian recreational hunting and sport‑shooting. Enclosed tube‑body prevents dust and water splash, fits outdoor variable‑weather conditions. As alternative‑SKU for HD‑26A tube‑dot product line, for B2B wholesale distributors only, no direct retail sales.
Compatible Equipment
Designed for Picatinny‑21mm standard rail. Compatible with civilian sport‑shooting rifles, recreational hunting firearms, airsoft / paintball recreational markers. Requires adapter for non‑standard rail interfaces.
Instructions for Use
Secure tube reflex sight on Picatinny‑21mm rail, fasten mounting screws with supplied wrench.
Install CR2032 battery according to polarity marks inside battery compartment.
Power‑on and adjust brightness from 8 daylight and 2 night‑vision levels for ambient light.
Complete windage‑elevation zero‑ing at shooting‑range before field‑use.
Install filter‑mesh on objective front‑end if you need to reduce optical reflection.
Power‑off after shooting; remove battery for long‑term storage and store inside plastic box.
Precautions
Avoid direct eye exposure to built‑in LED light source to prevent eye injury.
IPX5 is spray‑resistant, do NOT immerse the optic in water.
Always perform zero‑calibration at real shooting‑distance for field‑application.
Remove battery for long‑time storage to avoid electrolyte leakage damaging tube‑internal components.
Only for civilian recreational sport‑shooting and hunting; military‑tactical usage prohibited.
Clean lens and filter‑mesh only with supplied lens cloth.
JR‑028 HD‑41 is alternative‑variant SKU of HD‑26A tube‑style inner red dot. It shares identical mechanical dimension 70×53×45 mm, 20 mm Objective Lens and main hardware structure with HD‑26A. It provides distributors second enclosed‑tube reflex SKU for product‑line enrichment without re‑developing mold.
Red etched‑glass reticle:8 daylight brightness levels plus 2 night‑vision‑compatible levels, red‑coated lens. 6061‑T6 hard‑anodized aluminum housing. Windage‑elevation turrets ≥±50 MOA adjustment, 1 MOA click‑stop accuracy.
IPX5 anti‑spray‑water rating. Shock‑resistance performance:1200g for 100 impact cycles, deviation ≤2 MOA. Power supply:CR2032 coin‑cell battery. Picatinny‑21 mm mounting interface, filter‑mesh accessory included.
Package:plastic protective box, lens cloth, manual, filter mesh, wrench and CR2032 battery. 50 pieces for each export carton.
B2B OEM service supports custom logo and private‑label box printing. Wholesale‑only supply for overseas optics partners.
| 参数项 | 规格 |
|---|---|
| Magnification | 1× |
| Objective Lens | 20mm |
| Product Color | Black |
| Product Dimensions | 70mm × 53mm × 45mm |
| Body Material | 6061 Aluminum Alloy |
| Surface Treatment | Anodized |
| Lens Coating | Red Coating |
| Reticle / Brightness | Red, 8 Levels + 2 NV |
| Click Accuracy | 1 MOA @ 100 Yards |
| Windage Adjustment | ≥ ±50 MOA |
| Elevation Adjustment | ≥ ±50 MOA |
| Mount Interface | Picatinny‑21mm |
| Working Temperature | -20℃ ~ +50℃ |
| Waterproof Rating | IPX5 |
| Shock Resistance | 1200g / 100 times, deviation ≤ 2 MOA |
| Battery | CR2032 |
| Carton Size | 49 × 26.5 × 35.5 cm |
| Packing Quantity | 50 PCS / Carton |
| Carton Gross Weight | 15 kg |
| Packing Accessories | Plastic Box, Lens Cloth, Manual, Dust Cover, Filter Mesh, Wrench, CR2032 |
HD‑41 serves as secondary SKU inside tube‑style inner red‑dot product family. Same mechanical‑optical platform as HD‑26A helps distributors expand enclosed‑reflex product portfolio while controlling mold‑cost and inventory risk. Tube‑enclosed design protects internal optics against outdoor dust and water splash for civilian hunting and sport‑shooting scenarios.