{"id":3018,"date":"2026-09-26T19:06:57","date_gmt":"2026-09-26T19:06:57","guid":{"rendered":"https:\/\/nightvisionenthusiast.com\/?product=kastle-group-fsm-154-fortress-scope-mount"},"modified":"2026-09-27T14:57:43","modified_gmt":"2026-09-27T14:57:43","slug":"kastle-group-fsm-154-fortress-scope-mount","status":"publish","type":"product","link":"https:\/\/nightvisionenthusiast.com\/?product=kastle-group-fsm-154-fortress-scope-mount","title":{"rendered":"Kastle Group FSM-154 FORTRESS&#x2122; Scope Mount"},"content":{"rendered":"<p>Here\u2019s an SEO-friendly WooCommerce product description written in the same style as your other product pages for Custom Night Vision.<\/p>\n<hr \/>\n<h1>Kastle Group FSM-154 FORTRESS&#x2122; Scope Mount<\/h1>\n<p>The <strong>Kastle Group FSM-154 FORTRESS&#x2122; Scope Mount<\/strong> is a premium precision optic mount engineered for shooters who demand uncompromising durability, repeatable accuracy, and modularity. Manufactured in the USA from <strong>7075-T651 aluminum<\/strong>, the FSM-154 provides a <strong>1.54-inch optical centerline<\/strong> with a <strong>0 MOA cant<\/strong>, making it an excellent choice for precision rifles, duty carbines, and designated marksman platforms.<\/p>\n<p>Designed around Kastle Group\u2019s innovative <strong>FORTRESS&#x2122; mounting system<\/strong>, the FSM-154 features integrated <strong>KNEKT&#x2122; modular attachment slots<\/strong>, allowing users to expand their setup with compatible accessories while maintaining a rigid, lightweight mounting platform. Combined with Kastle\u2019s <strong>Titanium K-CLAMP&#x2122;<\/strong> mounting technology, the FSM-154 delivers exceptional clamping force and return-to-zero performance under hard use.<\/p>\n<p>Finished with a <strong>MIL-SPEC Type III hardcoat anodizing<\/strong>, every mount is built to withstand demanding environments while maintaining corrosion resistance and long-term durability.<\/p>\n<p>Whether you\u2019re building a precision rifle, competition gun, or professional-duty platform, the Kastle FSM-154 provides a rock-solid foundation for your LPVO or magnified optic.<\/p>\n<h2>Features<\/h2>\n<ul>\n<li>1.54\u2033 Optical Centerline Height<\/li>\n<li>Zero MOA Cant<\/li>\n<li>Precision-machined from 7075-T651 Aluminum<\/li>\n<li>Titanium K-CLAMP&#x2122; mounting system<\/li>\n<li>Integrated KNEKT&#x2122; modular accessory interface<\/li>\n<li>Type III MIL-SPEC Hardcoat Anodized Finish<\/li>\n<li>Available in 30mm, 34mm and 35mm ring sizes<\/li>\n<li>Available Black (BLK) Flack Dark Earth (FDE) and Clear (CLR)<\/li>\n<li>Lightweight, rigid one-piece design<\/li>\n<li>100% Made in the USA<\/li>\n<\/ul>\n<h2>Specifications<\/h2>\n<table>\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Details<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Optical Centerline<\/td>\n<td>1.54\u2033<\/td>\n<\/tr>\n<tr>\n<td>Cant<\/td>\n<td>0 MOA<\/td>\n<\/tr>\n<tr>\n<td>Material<\/td>\n<td>7075-T651 Aluminum<\/td>\n<\/tr>\n<tr>\n<td>Clamp System<\/td>\n<td>Titanium K-CLAMP&#x2122;<\/td>\n<\/tr>\n<tr>\n<td>Mount Interface<\/td>\n<td>Picatinny Rail<\/td>\n<\/tr>\n<tr>\n<td>Finish<\/td>\n<td>Type III MIL-SPEC Hardcoat Anodized<\/td>\n<\/tr>\n<tr>\n<td>Ring Sizes<\/td>\n<td>30mm, 34mm, 35mm,<\/td>\n<\/tr>\n<tr>\n<td>Country of Origin<\/td>\n<td>USA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Why Choose the Kastle FSM-154?<\/h2>\n<p>The FSM-154 is built for shooters who want more than just a scope mount. Its combination of aerospace-grade materials, modular accessory compatibility, and precision machining makes it an outstanding option for professional users, competitors, hunters, and enthusiasts alike. With a robust one-piece construction and premium manufacturing standards, it offers the rigidity and repeatability needed to keep your optic securely mounted in demanding conditions.<\/p>\n<p>Whether you\u2019re outfitting an AR-15, AR-10, precision bolt gun, or another modern rifle platform, the Kastle Group FSM-154 FORTRESS&#x2122; Scope Mount delivers the reliability and performance expected from a top-tier American-made optic mount.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here\u2019s an SEO-friendly WooCommerce product description written in the same style as your other product pages for Custom Night Vision.<\/p>\n","protected":false},"featured_media":3019,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[177],"product_cat":[79,80,82],"product_tag":[],"class_list":["post-3018","product","type-product","status-publish","has-post-thumbnail","product_brand-kastle-group","product_cat-kastle-group","product_cat-parts-and-accessories","product_cat-scope-mounts","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=\/wp\/v2\/product\/3018","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=3018"}],"version-history":[{"count":1,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=\/wp\/v2\/product\/3018\/revisions"}],"predecessor-version":[{"id":6101,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=\/wp\/v2\/product\/3018\/revisions\/6101"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=\/wp\/v2\/media\/3019"}],"wp:attachment":[{"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3018"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=3018"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=3018"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nightvisionenthusiast.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=3018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}