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Gbrs Group
Gbrs Group
The Gbrs Group Lerna Optic Mount Kit for Eotech EXPS is purpose-built for shooters who need a higher sight line without compromising reliability or durability. Unlike generic riser mounts, the Lerna achieves a 2.91" optic centerline that clears common field gear—comms headsets, eye pro, gas masks, and night vision—so you maintain clear sight picture and a proper shooting posture regardless of what you're wearing. That elevated sight axis keeps your head naturally upright, your spine vertical, and your body positioned to present armor plates toward the threat. The result is faster target acquisition, better situational awareness, and the athletic stance that separates fighting fundamentals from range practice.
Built from 6061-T6 aluminum with Type 3 Class 2 hard-coat anodize, the mount body is rigid and corrosion-resistant. The clamp bar, screws, and fasteners are 17-4 PH stainless steel with Melonite QPQ finish—the same mil-spec materials you find in quality AR-platform components. It's not lightweight theater; it's engineered to stay put and survive hard use. At just 4 ounces, the Lerna won't tax your rifle balance or your plate carrier.
Installation is straightforward: the kit includes everything needed to mount an Eotech EXPS to your rifle, plus the T25 bit required for assembly. No hunting through drawers for the right hex key. Gbrs Group designed this for end-users who expect their gear to work in the field, not just look good on a flat range.
| Brand | Gbrs Group |
| Product | Lerna Optic Mount Kit |
| Compatibility | Eotech EXPS |
| Finish | FDE (Black anodize) |
| Optic Centerline Height | 2.91" |
| Mount Material | 6061-T6 Aluminum |
| Mount Finish | Type 3 Class 2 Hard Coat Anodize |
| Clamp Bar Material | 17-4 PH Stainless Steel (H900) |
| Clamp Bar Finish | Melonite QPQ |
| Fasteners | 17-4 PH Stainless Steel (H900) with Melonite QPQ |
| Washers | 18-8 Stainless Steel, Passivated Black Oxide |
| Weight | 4.0 oz |
| Included | Lerna Mount, ¼" drive T25 bit |
Yes. The Lerna Optic Mount Kit is designed specifically for Eotech EXPS optics. The kit includes all fasteners and the T25 bit needed for installation.
The elevated centerline clears gear mounted to your helmet or face—comms headsets, helmets with eye protection, gas masks, and night vision devices—so you maintain a clear sight picture without shifting your head or body position. This height also encourages a more upright, athletic posture that keeps your spine vertical and your body armor positioned correctly toward threats.
Yes. The mount is aluminum with hard-coat anodize per MIL-A-8625 specifications, and the clamp system uses 17-4 PH stainless steel with Melonite QPQ finish—military-grade corrosion resistance. It weighs only 4 ounces and is built for durability in demanding conditions.
The Lerna Optic Mount Kit includes the mount itself and a ¼" drive T25 bit for fastener assembly. You'll have everything needed to complete the installation.
The Gbrs Group Lerna Optic Mount Kit for Eotech EXPS is purpose-built for shooters who need a higher sight line without compromising reliability or durability. Unlike generic riser mounts, the Lerna achieves a 2.91" optic centerline that clears common field gear—comms headsets, eye pro, gas masks, and night vision—so you maintain clear sight picture and a proper shooting posture regardless of what you're wearing. That elevated sight axis keeps your head naturally upright, your spine vertical, and your body positioned to present armor plates toward the threat. The result is faster target acquisition, better situational awareness, and the athletic stance that separates fighting fundamentals from range practice.
Built from 6061-T6 aluminum with Type 3 Class 2 hard-coat anodize, the mount body is rigid and corrosion-resistant. The clamp bar, screws, and fasteners are 17-4 PH stainless steel with Melonite QPQ finish—the same mil-spec materials you find in quality AR-platform components. It's not lightweight theater; it's engineered to stay put and survive hard use. At just 4 ounces, the Lerna won't tax your rifle balance or your plate carrier.
Installation is straightforward: the kit includes everything needed to mount an Eotech EXPS to your rifle, plus the T25 bit required for assembly. No hunting through drawers for the right hex key. Gbrs Group designed this for end-users who expect their gear to work in the field, not just look good on a flat range.
| Brand | Gbrs Group |
| Product | Lerna Optic Mount Kit |
| Compatibility | Eotech EXPS |
| Finish | FDE (Black anodize) |
| Optic Centerline Height | 2.91" |
| Mount Material | 6061-T6 Aluminum |
| Mount Finish | Type 3 Class 2 Hard Coat Anodize |
| Clamp Bar Material | 17-4 PH Stainless Steel (H900) |
| Clamp Bar Finish | Melonite QPQ |
| Fasteners | 17-4 PH Stainless Steel (H900) with Melonite QPQ |
| Washers | 18-8 Stainless Steel, Passivated Black Oxide |
| Weight | 4.0 oz |
| Included | Lerna Mount, ¼" drive T25 bit |
Yes. The Lerna Optic Mount Kit is designed specifically for Eotech EXPS optics. The kit includes all fasteners and the T25 bit needed for installation.
The elevated centerline clears gear mounted to your helmet or face—comms headsets, helmets with eye protection, gas masks, and night vision devices—so you maintain a clear sight picture without shifting your head or body position. This height also encourages a more upright, athletic posture that keeps your spine vertical and your body armor positioned correctly toward threats.
Yes. The mount is aluminum with hard-coat anodize per MIL-A-8625 specifications, and the clamp system uses 17-4 PH stainless steel with Melonite QPQ finish—military-grade corrosion resistance. It weighs only 4 ounces and is built for durability in demanding conditions.
The Lerna Optic Mount Kit includes the mount itself and a ¼" drive T25 bit for fastener assembly. You'll have everything needed to complete the installation.
