• Aimpoint® ACRO™ Footprint
  • 45° Offset Mount Position
  • Seamless Fortress™ Integration
  • Type III Hard Anodized
  • 7075 Aluminum
  • 100% Made in U.S.A
Flat Dark Earth
Desert Sand
OD Green
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SKU: FRT-45A Category:


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FRT-45A™ 45 Degree RDS Mount – Elevate Your Precision Shooting Experience

The Kastle FRT-45R™ has been designed to work with our FRT-226™ optic mounts to allow you to attach any red dot sight utilizing the Aimpoint® ACRO™  footprint to the side of your FRT-226™ mount. This solution is effective for a multitude of reasons including having a spare optic incase your primary goes down, holding dual zeros if your rifle is setup to shoot sub and supersonic ammo or when you find yourself shooting from compromising positions or need to manipulate from abnormal angles with obstacles. Made in America from 7075-T6 aluminum and type III MIL SPEC hardcoat anodized in 5 available finishes.

Tough Framework
Machined in our own state of the art facility the FORTRESS™ series optic mounts boast the most rigid and durable designs on the market. These mounts were developed and created by shooters for shooters. We stand behind our product so strongly it is backed by our lifetime manufacturer warranty.

Lifetime Warranty
Each Kastle™ Mount is covered by a Manufacturer’s Lifetime Warranty.

Weight 3.6 oz
Dimensions 4.75 × 3.75 × 1.7 in

Black, Flat Dark Earth, Desert Sand, Clear, OD Green