{"product_id":"golden-eagle-metal-gearbox-complete-metal-lower-receiver-black-tan","title":"Golden Eagle Metal Gearbox Complete Metal Lower Receiver - Black\/Tan","description":"\u003cp\u003e\u003cspan\u003eGolden Eagle metal gearbox complete metal lower receiver black and tan is a ready to install upgrade solution designed for airsoft players who want durability, power, and consistency in an M4 platform. This assembly combines a complete metal lower receiver with a full metal version 2 gearbox, offering a solid foundation for rebuilds, repairs, or performance focused projects. The receiver and gearbox are constructed from metal, with the gearbox shell made from aluminum for added strength and longevity. Weighing approximately 3.1 pounds, this unit delivers a sturdy and realistic feel while remaining suitable for extended use. It is specifically compatible with Golden Eagle M4 lower receivers and arrives pre assembled with a rear wired configuration. Internal components include a high torque long type motor, high torque steel gears, and 7mm metal bearings, all working together to support reliable operation and smooth cycling.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eDesigned for players who want dependable internal performance without sourcing individual parts, this complete gearbox assembly includes a well balanced mix of metal and reinforced polymer components. An M120 standard pitch spring is paired with a bearing supported spring guide, while the metal ported cylinder and polymer cylinder head support consistent air delivery. The polycarbonate piston and polymer ported piston head are matched with a polymer air nozzle and reinforced polymer tappet plate to maintain reliable feeding and compression. This setup makes the unit suitable for players searching for airsoft gearbox replacements, M4 lower receiver assemblies, or complete AEG drivetrain upgrades. The black and tan color scheme adds a clean and tactical appearance that pairs well with modern builds. Whether replacing a damaged lower or upgrading an existing rifle, this Golden Eagle complete metal lower receiver with gearbox provides a convenient, durable, and performance oriented solution that helps players get back on the field quickly with a solid and reliable internal foundation.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Golden Eagle\u003c\/li\u003e\n\u003cli\u003eMaterial: Metal receiver and gearbox\u003c\/li\u003e\n\u003cli\u003eWeight: 3.1 lbs\u003c\/li\u003e\n\u003cli\u003eColor: Black and tan\u003c\/li\u003e\n\u003cli\u003eCompatibility: Golden Eagle M4 lower receivers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFull metal version 2 gearbox with rear wiring\u003c\/li\u003e\n\u003cli\u003eAluminum gearbox shell with black finish\u003c\/li\u003e\n\u003cli\u003eHigh torque long type motor\u003c\/li\u003e\n\u003cli\u003eHigh torque steel gears\u003c\/li\u003e\n\u003cli\u003e7mm metal bearings\u003c\/li\u003e\n\u003cli\u003eM120 standard pitch spring\u003c\/li\u003e\n\u003cli\u003eBearing spring guide with metal and polymer construction\u003c\/li\u003e\n\u003cli\u003ePorted metal cylinder\u003c\/li\u003e\n\u003cli\u003ePolymer cylinder head\u003c\/li\u003e\n\u003cli\u003ePolycarbonate piston\u003c\/li\u003e\n\u003cli\u003ePorted polymer piston head\u003c\/li\u003e\n\u003cli\u003ePolymer air nozzle\u003c\/li\u003e\n\u003cli\u003eReinforced polymer tappet plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003ePackage Includes: 1x Lower Receiver, 1x Full Metal Gearbox\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\u003cspan style=\"color: #fb0034;\" color=\"#FB0034\"\u003e\u003cb\u003eTHIS ITEM IS INTENDED FOR AIRSOFT USE ONLY!\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"Golden Eagle","offers":[{"title":"Default Title","offer_id":48373520302303,"sku":"GE-MB-9T","price":134.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1889\/9827\/files\/GE-MB-9T-1.jpg?v=1774291015","url":"https:\/\/pbsports.com\/products\/golden-eagle-metal-gearbox-complete-metal-lower-receiver-black-tan","provider":"PB Sports LLC","version":"1.0","type":"link"}