Gbrs Group Lerna Mount Kit Acro Blk

The Gbrs Group Lerna Mount Kit Acro is a purpose-built optic mount for Aimpoint Acro red dots that solves a real problem: keeping your line of sight clear when you're running helmet-mounted gear, communications headsets, night vision, or protective equipment. The 2.91" optical centerline is the key difference here—it's higher than traditional mounts, which means your sight picture stays unobstructed whether you're wearing comms, a gas mask, or night vision. That extra height isn't just for comfort; it fundamentally changes how you shoot and move.

This higher mounting position encourages the kind of athletic, heads-up posture that matters in dynamic shooting. You maintain a vertical spine, which keeps your body armor plates oriented correctly toward the threat and lets you process your surroundings faster. It's the kind of detail-oriented design you'd expect from Gbrs Group, a team that builds gear for professionals and runs their feedback back into products. The Lerna isn't trying to be everything—it's engineered to do one job well: get your optic out of the way of your gear and your eyes into the fight.

Construction is solid. The main body is 6061-T6 aluminum with hard-coat anodize in black, while the clamp bar and fasteners are stainless steel with melonite QPQ coating for durability. The complete kit includes all the tools you need for installation—long-reach T10 and 3/32" hex keys plus a T25 bit—so you can mount it without hunting for special tools. Weight is a minimal 4.8 oz for the Acro configuration, so it won't burden your rail space or affect your overall setup balance.

Key Features

• 2.91" optic centerline keeps your red dot clear of helmet gear, comms, and night vision
• Higher sight picture encourages athletic, heads-up shooting posture
• Engineered for body armor compatibility—maintains proper plate orientation
• Durable 6061-T6 aluminum body with mil-spec hard-coat anodize
• Stainless steel clamp and fasteners with melonite QPQ finish
• Includes all installation tools—no special equipment needed
• Lightweight at 4.8 oz

Specifications

Frequently Asked Questions

What's included in the Gbrs Group Lerna Mount Kit?

The kit includes the Lerna mount itself, a long-reach T10 hex key, a long-reach 3/32" hex key, and a 1/4" drive T25 bit—everything you need to install it on your Aimpoint Acro without sourcing additional tools.

Is the Lerna Mount compatible with Aimpoint Acro red dots?

Yes, this kit is specifically designed for the Aimpoint Acro. The 2.91" centerline height and clamp geometry are engineered around that optic.

Will the higher mounting position work with my helmet-mounted gear?

That's exactly what the Lerna is built for. The 2.91" centerline keeps your sight picture clear of comms headsets, night vision devices, gas masks, and other protective equipment you might be wearing or mounting on your helmet.

What makes the Lerna different from standard red dot mounts?

The primary difference is the elevated 2.91" optical centerline, which clears helmet-mounted gear and encourages a more athletic, vertical shooting posture. This design supports faster target acquisition, better situational awareness, and proper body armor positioning—details that matter in professional and serious sporting applications.