{"product_id":"folding-stock-hk-sp5k","title":"B\u0026T Folding Stock for HK SP5K – Factory-Quality Collapsible Stock","description":"\u003cp\u003eThe B\u0026amp;T Folding Stock for HK SP5K transforms the SP5K pistol into a more stable shoulder-fired platform. Manufactured by B\u0026amp;T, the Swiss maker of the original MP5 stocks, this folding stock delivers solid lockup in both extended and folded positions. The telescoping design allows length-of-pull adjustment to fit different shooters and shooting positions.\u003c\/p\u003e\u003cp\u003eThis stock mounts directly to the HK SP5K receiver using the factory mounting points—no gunsmithing required. Constructed from steel and reinforced polymer, it folds to the right side for compact storage and transport. The stock includes all necessary mounting hardware and is designed specifically for the HK SP5K platform.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Folding telescoping stock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e HK SP5K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel frame with reinforced polymer components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Right-side folding, adjustable length of pull, positive lock in extended and folded positions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Stock assembly and mounting hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Direct mount to factory SP5K receiver points\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Adding a stock to a pistol may create an NFA-regulated short-barreled rifle. Verify compliance with federal and state laws before installation, including Form 1 registration if required.\u003c\/p\u003e","brand":"B\u0026T","offers":[{"title":"Default Title","offer_id":47950820933887,"sku":"BNBT-20151-2-US","price":275.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/bnbt201512usecf8.jpg?v=1766723566","url":"https:\/\/doublestackstore.com\/products\/folding-stock-hk-sp5k","provider":"Double Stack Store","version":"1.0","type":"link"}