{"id":2846,"date":"2026-09-26T18:51:03","date_gmt":"2026-09-26T18:51:03","guid":{"rendered":"https:\/\/nightvisionenthusiast.com\/?product=kastle-group-acro-226-2-26%e2%80%b3-optic-mount"},"modified":"2026-09-27T12:52:43","modified_gmt":"2026-09-27T12:52:43","slug":"kastle-group-acro-226-2-26%e2%80%b3-optic-mount","status":"publish","type":"product","link":"https:\/\/nightvisionenthusiast.com\/?product=kastle-group-acro-226-2-26%e2%80%b3-optic-mount","title":{"rendered":"Kastle Group ACRO-226™ 2.26\u2033 Optic Mount"},"content":{"rendered":"

The Kastle Group ACRO-226™<\/strong> is a lightweight, precision-machined optic mount designed for Aimpoint\u00ae ACRO™ footprint optics<\/strong> and other compatible enclosed-emitter red dots. With a 2.26″ optical centerline<\/strong>, the ACRO-226™ provides an elevated, heads-up shooting position specifically suited to modern rifle configurations and night vision applications.<\/p>\n

Built as part of Kastle Group’s FORTRESS™ mounting system<\/strong>, the ACRO-226™ combines a precision-machined 7075-T651 aluminum body<\/strong> with Kastle’s titanium K-Clamp™ mounting system<\/strong>. The result is a rigid and lightweight optic mount designed to provide a secure connection to standard MIL-STD-1913 Picatinny rails.<\/p>\n

Key Features<\/h3>\n
    \n
  • 2.26″ optical centerline height<\/strong><\/li>\n
  • Designed for Aimpoint\u00ae ACRO™ footprint optics<\/strong><\/li>\n
  • Compatible with enclosed-emitter red dots using the ACRO footprint<\/li>\n
  • Titanium K-Clamp™ mounting system<\/strong><\/li>\n
  • Precision-machined 7075-T651 aluminum<\/strong><\/li>\n
  • Type III MIL-SPEC hardcoat anodized finish<\/strong><\/li>\n
  • Compatible with MIL-STD-1913 Picatinny rails<\/strong><\/li>\n
  • FORTRESS™ accessory-ready<\/strong><\/li>\n
  • Lightweight construction<\/li>\n
  • 100% Made in the USA<\/strong><\/li>\n
  • Lifetime manufacturer warranty<\/li>\n<\/ul>\n

    ACRO Footprint Compatibility<\/h3>\n

    The ACRO-226™ is designed around the Aimpoint ACRO footprint<\/strong>, making it compatible with a variety of enclosed-emitter red dot optics, including:<\/p>\n

      \n
    • Aimpoint\u00ae ACRO P-1<\/li>\n
    • Aimpoint\u00ae ACRO P-2<\/li>\n
    • Aimpoint\u00ae ACRO C-2<\/li>\n
    • Steiner\u00ae MPS<\/li>\n
    • Lead & Steel\u00ae PB-3<\/li>\n
    • Viridian\u00ae RFX45<\/li>\n
    • Viridian\u00ae RFX44<\/li>\n<\/ul>\n

      2.26″ Optical Centerline<\/h3>\n

      The defining feature of the ACRO-226™ is its 2.26″ optical centerline<\/strong>. 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.<\/p>\n

      The 2.26″ height has become particularly popular for night vision and passive aiming configurations<\/strong>, where optic height can play an important role in maintaining a natural head position behind the rifle.<\/p>\n

      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.<\/p>\n

      Titanium K-Clamp™ Mounting System<\/h3>\n

      Kastle Group’s K-Clamp™ mounting system<\/strong> is designed around a titanium clamp that securely interfaces with the rifle’s Picatinny rail.<\/p>\n

      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.<\/p>\n

      Built for Night Vision<\/h3>\n

      The ACRO-226™ is an excellent choice for rifles configured around helmet-mounted night vision, IR lasers, and passive aiming<\/strong>.<\/p>\n

      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.<\/p>\n

      The FORTRESS™ accessory-ready<\/strong> design also allows compatible Kastle Group accessories to be incorporated into the overall weapon configuration.<\/p>\n

      Lightweight 7075-T651 Construction<\/h3>\n

      The ACRO-226™ is precision machined from 7075-T651 aluminum<\/strong> and finished with a Type III MIL-SPEC hardcoat anodized finish<\/strong>.<\/p>\n

      This combination provides a durable and corrosion-resistant mounting platform while keeping unnecessary weight off the rifle.<\/p>\n

      Specifications<\/h3>\n
        \n
      • Model:<\/strong> ACRO-226™<\/li>\n
      • Optical Centerline:<\/strong> 2.26″<\/li>\n
      • Optic Footprint:<\/strong> Aimpoint\u00ae ACRO™<\/li>\n
      • Material:<\/strong> 7075-T651 aluminum<\/li>\n
      • Mounting System:<\/strong> Titanium K-Clamp™<\/li>\n
      • Rail Interface:<\/strong> MIL-STD-1913 Picatinny<\/li>\n
      • Finish:<\/strong> Type III MIL-SPEC hardcoat anodized<\/li>\n
      • Accessory Compatibility:<\/strong> FORTRESS™ ecosystem<\/li>\n
      • Country of Manufacture:<\/strong> USA<\/li>\n
      • Warranty:<\/strong> Lifetime manufacturer warranty<\/li>\n<\/ul>\n

        Why Buy the Kastle Group ACRO-226™ from Custom Night Vision?<\/h3>\n

        The Kastle Group ACRO-226™<\/strong> is an excellent choice for shooters looking for a lightweight and durable 2.26″ ACRO-footprint optic mount<\/strong> for a modern rifle configuration.<\/p>\n

        Its combination of 7075-T651 aluminum construction, titanium K-Clamp™ mounting technology, elevated 2.26″ optical centerline, and FORTRESS™ accessory compatibility<\/strong> makes it a natural fit for rifles configured around night vision, IR lasers, passive aiming, and other modern weapon accessories.<\/p>\n

        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.<\/p>\n

        Kastle Group FORTRESS™ | 2.26″ Height | ACRO Footprint | Made in the USA<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

        The Kastle Group ACRO-226™ is a lightweight, precision-machined optic mount designed for Aimpoint\u00ae ACRO™ footprint optics and other compatible enclosed-emitter<\/p>\n","protected":false},"featured_media":2847,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[177],"product_cat":[79,80,81],"product_tag":[],"class_list":["post-2846","product","type-product","status-publish","has-post-thumbnail","product_brand-kastle-group","product_cat-kastle-group","product_cat-parts-and-accessories","product_cat-red-dot-mounts","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=\/wp\/v2\/product\/2846","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2846"}],"version-history":[{"count":0,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=\/wp\/v2\/product\/2846\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=\/wp\/v2\/media\/2847"}],"wp:attachment":[{"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2846"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=2846"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=2846"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=2846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}