Model Number Guide
Decode the nomenclature of Holosun and Holosun Elite products. From reticle types and accessories to optic types and features like Solar Failsafe and titanium housing.
Optics
Holosun optic model numbers follow a consistent pattern. The prefix identifies the product line, and each digit position encodes a specific feature.
Prefix
| Code | Meaning |
|---|---|
| HS | Holosun |
| HE | Holosun Elite |
1st Digit: Reticle Type
| Code | Meaning |
|---|---|
| 4 | 2 MOA Dot only |
| 5 | Multi-Reticle System (MRS) with 65 MOA ring and 2 MOA dot. Options include dot only, circle-dot, or dot/circle/circle-dot depending on model. |
2nd Digit: Accessories
| Code | Meaning |
|---|---|
| 0 | Standard accessories (bolt-on mount, bikini lens covers) |
| 1 | Upgraded accessories (QD mount, flip-down lens covers, kill flash where applicable) |
3rd Digit: Optic Type
| Code | Meaning |
|---|---|
| 0, 1, 6 | 30 mm tube sights |
| 3, 5 | 20 mm sights |
| 510 | Pistol optics (exception) |
Lasers
Laser model numbers use a similar prefix system. The first digit indicates how many components are included in the unit.
Prefix
| Code | Meaning |
|---|---|
| LS | Laser Sight |
| LE | Laser Elite |
1st Digit: Component Count
| Code | Meaning |
|---|---|
| 1 | 1 laser. Select IR, red, or green |
| 2 | 2 lasers. IR + select red or green visible laser |
| 3 | 2 lasers + IR illuminator |
| 4 | 2 lasers, IR illuminator + white light |
Suffix Codes
Letters appended to the model number indicate specific features or housing types.
| Code | Meaning |
|---|---|
| A | Bottom-mounted battery, proprietary mount |
| B | Side-mounted battery tray secured with two screws |
| C | Solar Failsafe (adds auto mode and solar power) |
| G | Side-mounted battery cap for toolless battery replacement |
| GL | G + low profile turrets (all models are L by default since 2018) |
| K | Sub-compact carry pistol optics |
| M | 7075 aluminium housing, water resistant to 30 m for 30 minutes |
| O | Open circle reticle (e.g. HS407CO) |
| R | Rotary switch for brightness selection |
| T | Titanium housing |
Example: HS510C
HS
Holosun
5
MRS reticle (65 MOA ring + 2 MOA dot)
10
Pistol optic with upgraded accessories
C
Solar Failsafe with auto mode