{"product_id":"castellan-g3-mp5-picatinny-rail-mount-adapter","title":"Castellan G3\/MP5 Picatinny Rail Mount Adapter — 180° Rotatable Claw, Aluminum","description":"\u003cp\u003eBring your G3 or MP5 platform into the modern optics ecosystem with the Castellan G3\/MP5 Picatinny Rail Mount Adapter. The 180° rotatable claw design locks onto the receiver with a precision, glove-like fit, giving you a stable 20mm Picatinny base for scopes, red dots, and other rail-mount accessories — without permanent modification.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eG3 \/ MP5 Series Compatible\u003c\/strong\u003e — Designed specifically for the MP5 and G3 platform receiver geometry. Provides a standard 20mm Picatinny rail for scopes, red dot sights, and accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e180° Rotatable Claw Mount\u003c\/strong\u003e — Adjustable claw rotates 180° for flexible mounting positions and a precision, snug fit across slight variations in receiver profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum Alloy Construction\u003c\/strong\u003e — Lightweight at 63g, with a matte black finish. Durable, corrosion-resistant, and built to handle sustained recoil without loosening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-Ready Installation\u003c\/strong\u003e — Includes 4 screws and hex nuts. Use the long end of the included hex wrench for reliable torque without slippage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRock-Solid Optics Platform\u003c\/strong\u003e — Full Picatinny rail engagement provides a stable, wobble-free base for scopes and red dot sights.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with MP5 and G3 series platforms. Minor fitting adjustments may be required to accommodate variations between specific model generations.\u003c\/p\u003e","brand":"Castellan","offers":[{"title":"Default Title","offer_id":43471477768255,"sku":"G0031-2","price":4.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2876\/5247\/files\/36_93e0555b-990f-4c86-aa26-74b0453d2e9b.jpg?v=1782806809","url":"https:\/\/www.castellan.cn\/products\/castellan-g3-mp5-picatinny-rail-mount-adapter","provider":"Castellan","version":"1.0","type":"link"}