{"product_id":"hda3-hybrid-polymer-stock-bren-805","title":"HDA3 Hybrid Polymer Stock - Bren 805","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe HDA3 is a modular stock and brace system developed through a collaboration between Haga Defense and A3 Industries. Designed to integrate cleanly across a wide range of firearm platforms, the HDA3 delivers strength, adjustability, and durability in a familiar, low-profile package.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis direct-fit configuration mounts securely to the factory interface of the CZ Bren 805. The HDA3 is designed, manufactured, and assembled in the USA.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Folding Hinge\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe HDA3 uses a nitride-coated 17-4 stainless steel hinge for a strong, consistent lockup in both the folded and deployed positions. The standard configuration folds to the left at a 3.5-degree cant. Right-folding configurations are planned for a future release.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eHybrid Construction\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMetal internal components provide strength where it matters most. The aluminum cheek-riser button and length-adjustment latch interface with a 6061 aluminum extrusion that connects directly to the steel hinge. Exterior components are injection-molded from 30% glass-fiber-reinforced nylon for a durable, lightweight shell.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eStock and Brace Configurations\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe stock configuration includes an injection-molded extension with a textured Santoprene TPE buttpad. The brace configuration includes an injection-molded extension designed to accept compatible arm braces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eTool-Free Adjustment\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe HDA3 offers seven length positions in 0.50-inch increments. The cheek riser can be set to three heights: flush, +0.25 inch, or +0.50 inch. Both adjustments can be operated easily with one hand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eMultiple Sling-Mounting Options\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe rear of the HDA3 includes an integrated sling loop and two steel QD sockets. Three additional QD mounting points are machined into the aluminum firearm adapter.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eDirect-fit mounting system for the CZ Bren 805\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e6061 hardcoat-anodized aluminum adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNitride-coated 17-4 stainless steel folding hinge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLeft-side folding with a 3.5-degree cant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSeven length positions with 0.50\" adjustment increments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e6061 hardcoat-anodized aluminum extrusion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e7075 aluminum locking latch\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThree-position cheek riser: 0\", +0.25\", and +0.50\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHardcoat-anodized 6061 aluminum cheek-riser button\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e30% glass-fiber-reinforced nylon exterior components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSantoprene TPE buttpad on stock configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable in Black, FDE, ODG, and Gray\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eLength\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eStock configuration: 8.36\"–11.36\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrace configuration without brace installed: 8.70\"–11.70\"\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eStock configuration: 1 lb. 5.6 oz.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrace configuration without brace installed: 1 lb. 4.1 oz.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDesigned, manufactured, and assembled in the USA.\u003c\/span\u003e\u003c\/p\u003e","brand":"HDA3","offers":[{"title":"Black","offer_id":49814155362519,"sku":"HDA3-B805-A3-S-LF-BLK","price":350.0,"currency_code":"USD","in_stock":true},{"title":"Flat Dark Earth","offer_id":49814155395287,"sku":"HDA3-B805-A3-S-LF-FDE","price":350.0,"currency_code":"USD","in_stock":true},{"title":"Olive Drab Green","offer_id":49814155428055,"sku":"HDA3-B805-A3-S-LF-ODG","price":350.0,"currency_code":"USD","in_stock":true},{"title":"Grey","offer_id":49814155460823,"sku":"HDA3-B805-A3-S-LF-GRY","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1327\/2791\/files\/IMG_1440__65989.1755102124.webp?v=1789666270","url":"https:\/\/a3industries.com\/products\/hda3-hybrid-polymer-stock-bren-805","provider":"A3 Industries","version":"1.0","type":"link"}