The Kastle Group ACRO-226™ is a lightweight, precision-machined optic mount designed for Aimpoint® ACRO™ footprint optics and other compatible enclosed-emitter red dots. With a 2.26″ optical centerline, the ACRO-226™ provides an elevated, heads-up shooting position specifically suited to modern rifle configurations and night vision applications.
Built as part of Kastle Group’s FORTRESS™ mounting system, the ACRO-226™ combines a precision-machined 7075-T651 aluminum body with Kastle’s titanium K-Clamp™ mounting system. The result is a rigid and lightweight optic mount designed to provide a secure connection to standard MIL-STD-1913 Picatinny rails.
Key Features
- 2.26″ optical centerline height
- Designed for Aimpoint® ACRO™ footprint optics
- Compatible with enclosed-emitter red dots using the ACRO footprint
- Titanium K-Clamp™ mounting system
- Precision-machined 7075-T651 aluminum
- Type III MIL-SPEC hardcoat anodized finish
- Compatible with MIL-STD-1913 Picatinny rails
- FORTRESS™ accessory-ready
- Lightweight construction
- 100% Made in the USA
- Lifetime manufacturer warranty
ACRO Footprint Compatibility
The ACRO-226™ is designed around the Aimpoint ACRO footprint, making it compatible with a variety of enclosed-emitter red dot optics, including:
- Aimpoint® ACRO P-1
- Aimpoint® ACRO P-2
- Aimpoint® ACRO C-2
- Steiner® MPS
- Lead & Steel® PB-3
- Viridian® RFX45
- Viridian® RFX44
2.26″ Optical Centerline
The defining feature of the ACRO-226™ is its 2.26″ optical centerline. This elevated position allows the shooter to maintain a more heads-up posture while providing additional clearance between the optic and other equipment on the rifle.
The 2.26″ height has become particularly popular for night vision and passive aiming configurations, where optic height can play an important role in maintaining a natural head position behind the rifle.
For shooters who want more elevation than a traditional 1.93″ mount, the ACRO-226™ provides the additional height without requiring a bulky or unnecessarily heavy mounting solution.
Titanium K-Clamp™ Mounting System
Kastle Group’s K-Clamp™ mounting system is designed around a titanium clamp that securely interfaces with the rifle’s Picatinny rail.
The system provides a rigid mounting interface while keeping the overall weight of the mount low. This makes the ACRO-226™ well suited for rifles where maintaining a lightweight and balanced configuration is important.
Built for Night Vision
The ACRO-226™ is an excellent choice for rifles configured around helmet-mounted night vision, IR lasers, and passive aiming.
The elevated optic position can provide additional clearance around night vision equipment while allowing the shooter to maintain a more upright head position. This makes the ACRO-226™ especially useful for modern night vision rifle setups where traditional optic heights may not provide the desired clearance or shooting posture.
The FORTRESS™ accessory-ready design also allows compatible Kastle Group accessories to be incorporated into the overall weapon configuration.
Lightweight 7075-T651 Construction
The ACRO-226™ is precision machined from 7075-T651 aluminum and finished with a Type III MIL-SPEC hardcoat anodized finish.
This combination provides a durable and corrosion-resistant mounting platform while keeping unnecessary weight off the rifle.
Specifications
- Model: ACRO-226™
- Optical Centerline: 2.26″
- Optic Footprint: Aimpoint® ACRO™
- Material: 7075-T651 aluminum
- Mounting System: Titanium K-Clamp™
- Rail Interface: MIL-STD-1913 Picatinny
- Finish: Type III MIL-SPEC hardcoat anodized
- Accessory Compatibility: FORTRESS™ ecosystem
- Country of Manufacture: USA
- Warranty: Lifetime manufacturer warranty
Why Buy the Kastle Group ACRO-226™ from Custom Night Vision?
The Kastle Group ACRO-226™ is an excellent choice for shooters looking for a lightweight and durable 2.26″ ACRO-footprint optic mount for a modern rifle configuration.
Its combination of 7075-T651 aluminum construction, titanium K-Clamp™ mounting technology, elevated 2.26″ optical centerline, and FORTRESS™ accessory compatibility makes it a natural fit for rifles configured around night vision, IR lasers, passive aiming, and other modern weapon accessories.
At Custom Night Vision, we specialize in night vision systems and the accessories used to build complete night-vision-compatible rifles. The ACRO-226™ provides the additional optic height and clearance many night vision users are looking for while maintaining a streamlined, lightweight setup.
Kastle Group FORTRESS™ | 2.26″ Height | ACRO Footprint | Made in the USA
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